The circulatory system is made up of the vessels and the muscles that help and control the flow of the blood around the body. As blood begins to circulate, it leaves the heart from the left ventricle and goes into the aorta. The aorta is the largest artery in the body.The circulatory system, also called the cardiovascular system or the vascular system, is an organ system that permits blood to circulate and transport nutrients (such as amino acids and electrolytes)...The circulatory system can be broken into two parts, one for your lungs and one for the rest of the body. Your lungs are rich capillaries, which are One of the best ways to improve your circulatory system is to exercise regularly. The American Heart Association recommends starting with 10 to 15...Many circulatory system diseases are linked to each other. For example, high blood pressure damages the blood vessels, which can lead to other circulatory problems. The narrowing of blood vessels caused by high cholesterol increases the likelihood of a person getting a blood clot.These are the main roles of the circulatory system. The heart, blood and blood vessels work The exception is the network of pulmonary veins, which take oxygenated blood from the lungs to Things to remember. The circulatory system delivers oxygen and nutrients to cells and takes away wastes.
Circulatory system - Wikipedia
The human circulatory system is a double circulatory system. In coronary heart disease, what are the fatty deposits on the walls of the arteries called?Define circulatory system. circulatory system synonyms, circulatory system pronunciation, circulatory system translation, English 1. The system of structures in vertebrates consisting of the heart, blood vessels, and lymphatics, by which blood and lymph are circulated throughout the body.The blood circulation. The human circulatory system. The blood circulation is the path of the blood throughout the body. It can be divided into two small circulations which are the minor (pulmonary) by Heba Soffar · Published September 24, 2014 · Last modified November 27, 2019.janbhagat4 janbhagat4. Answer: Hope it will be helpful to you.
The Effects of Exercises on the Circulatory System | Livestrong.com
The circulatory system (also called the cardiovascular system) is the body system that moves blood around the body. It consists of the heart and blood vessels. The blood carries various materials that the body needs, and takes away waste or harmful substances.CIRCULATORY SYSTEM OVERVIEW.docx - CIRCULATORY SYSTEM BLOOD VESSELS a circuit away from the heart and back to the heart that includes the arteries. That's where it's decided what is good and bad) BLOOD - fluid connective tissue that circulates in the arteries and veins of humans...The Circulatory System is responsible for transporting materials throughout the entire body. It transports nutrients, water, and oxygen to your billions of body cells and carries away wastes such as carbon dioxide that body cells produce. It is an amazing highway that travels through your entire body...The circulatory system is mainly driven by the heart. The pressure created in the heart pushes blood into the arteries. The circulatory system is a vast network of tubes and acts as the lifeline for the body, transporting a number of substances from every cell and tissue towards their ultimate destination.Advancements in medical technology are creating a world where robots may play a bigger part in healing the sick than doctors. Every day, new discoveries are being made that push us inevitably toward a future where the majority of work is done not by us mere humans, but by robots instead.
1. What is the skeletal system? a. All the bones in the frame b. All the muscle tissue and tendons c. All the frame's organs, each cushy and tough tissue d. All the bones in the body and the tissues that attach them 2. How many bones are there in the average individual's body? a. 33 b. 206 c. 639 d. It varies by the person. 3. Which of the following remark is INCORRECT? a. Bone is where most blood cells are made. b. Bone serves as a storehouse for more than a few minerals. c. Bone is a dry and non-living supporting structure. d. Bone protects and helps the frame and its organs. 4. Which bone protects the mind? a. Calcium b. The skull c. The cerebrum d. The cerebellum 5. Besides the mind, the skull also protects ... a. the lungs b. the diaphragm c. the body's cells d. the sense organs 6. The objective of the rib cage is to... a. give protection to the stomach b. offer protection to the spinal cord c. offer protection to the center and lungs d. supply an object to which the lungs can connect 7. What makes bones so sturdy? a. Silica b. Cartilage c. Blood and marrow d. Calcium and phosphorous 8. What is the difference between cartilage and bone? a. Bone is rubbery, and cartilage is firm. b. Cartilage is rubbery, and bone is company. c. Bone is a more primitive tissue than cartilage. d. Bone is within the body, and cartilage is outdoor. 9. The hole space in the middle of bones is full of ... a. air b. blood c. bone cells d. bone marrow 10. What is the distinction between compact bone and spongy bone? a. They have different bone marrow. b. They are made of different materials. c. They have different sizes of bone cells. d. They have different association of bone cells. 11. What is a joint? a. A hinge d. b. A ball and socket c. The place where two bones are joined The place where tendons are fixed together 12. Muscles are manufactured from ... a. silica b. polyester threads c. calcium and phosphorous d. teams of cells known as fibres 13. How do muscle groups attached to the bones move the body? a. automatically b. pull motion handiest c. push movement only d. push and pull movement 14. What is the function of a tendon? a. To hyperlink bones to bones b. To hyperlink muscle tissues to bones c. To link muscles to ligaments d. To bind the cells in compact bone nearer together 15. Which of the following statements is true relating to human blood? a) The blood of all commonplace people contains purple and white cells, platelets, and plasma. b) Some human populations normally lack the ability to produce plasma. c) Proteins don't seem to be normal elements of human blood. 16. . a) b) c) Erythrocyte is another name for a: pink cellular white mobile platelet 17. 18 . Which of the following blood components provide the primary defense for our bodies towards invading bacteria and viruses? a) purple cells b) white cells c) platelets The fairly clear liquid medium which carries the other cells of blood is called: a) b) c) lipid antibody plasma 19. Which of the following are likely to building up in quantities when the body is underneath assault from bacteria? a) erythrocytes b) leukocytes c) thrombocytes 20. When blood clumps or bureaucracy visual islands in the still liquid plasma, it is called: a) clotting b) agglutination c) none of the above 21. Antigens are: a) discovered on the floor of red cells b) kinds of crimson cells that establish a blood sort c) relatively massive carbohydrate molecules d) a and b 22. Which of the following statements is true of antigen-antibody interactions? a) They are used by our our bodies most effective to identify blood types. b) They are used to identify and reject microorganisms, corresponding to viruses and micro organism, that invade our our bodies. c) They are the approach our blood clots after we are bleeding from an open wound. d) b and c 23. Most of the quantity of standard human blood is composed of: a) red cells b) hemoglobin c) plasma d) white cells 24.. The lining of the interior walls of the middle's chambers is termed the: a. visceral pericardium b. serous pericardium c. epicardium d. myocardium e. endocardium 25. The outermost layer of the heart's serous pericardium is termed the: a. visceral pericardium b. parietal pericardium c. epicardium d. myocardium e. endocardium 26. The middle's herbal pacemaker is termed the: a. sinoatrial node b. atrioventricular node c. bundle of His/atrioventricular bundle d. left and right package branches e. Purkinje fibers 27. The center's electrical conduction network found inside of the ventricular myocardium is termed the: a. sinoatrial node b. atrioventricular node c. package deal of His/atrioventricular bundle d. left and right package deal branches e. Purkinje fibers 28. If the heart's herbal pacemaker fails to fire, then: a. no blood would enter the atria b. no blood would input the ventricles c. the node on the ground of the right atrium would act as a secondary pacemaker d. the node on the floor of the left ventricle would act as a secondary pacemaker e. the person would die within minutes 29. Which tunic of an artery contains endothelium? a. tunica interna/intima b. tunica media c. tunica externa d. tunica adventitia 30. The alternate of gases and nutrients between blood and tissues is a big serve as of: a. arterioles b. arteries c. capillaries d. veins 31. Which of the following statements very best describes arteries? a. all arteries elevate oxygenated blood towards the center b. all arteries contain valves to prevent the back-flow of blood c. all arteries carry blood away from the middle d. simplest massive arteries are coated with endothelium 32. The circulatory pathway that carries blood from the digestive tract towards the liver is termed the: a. coronary circuit b. cerebral circuit c. hepatic portal circuit d. pulmonary circuit 33. Immediately following strenuous and lively exercise, which of the following is most likely to occur? a. blood shall be abruptly diverted to the digestive organs b. the pores and skin might be chilly and clammy c. capillaries of the energetic muscle mass will likely be engorged with blood d. blood move to the kidneys briefly increases 34. Which of those is the job of the respiratory system? A. Gas change between the exterior setting and the frame' s circulatory system. B.Breaking down meals for it for use by the body. C. Holding up the body and giving it fortify and form. 35.. The two major organs of the respiratory system where the gas change takes place and carbon dioxide is given off and oxygen taken in. A. Kidneys B. Lungs C. Intestines 36. Small air sacs in the lungs where many capillaries change carbon dioxide for oxygen taken into the body. A.Bronchi B.Alveoli C. Trachea 37 . The windpipe A. Larynx B. Adenoid C. Trachea 38. Small spaces in the cranium concept to keep watch over the temperature and humidity of the air taken in to the body. A. Alveoli B. Tonsils C. Sinuses 39. Lymph tissue and lymph nodes that protect the frame from infection A. Adenoids and tonsils B. Alveoli and sinuses C. Bronchi and trachea 40. This tube carries air all the way down to the windpipe. A. Larynx B. Sinuses C. Pharynx 41. The voicebox A. Pharynx B. Trachea C. Larynx 42. A flap over the trachea that keeps out food and the rest that would clog the trachea. A. Epiglottis B. Larynx C. Pharynx 43. These elevate air into the lungs. A. Bronchi and bronchiole tubes B. Alveoli C. Sinuses 44. A large muscle that separates the chest cavity from the stomach hollow space and helps with respiring. A. Larynx B. Trachea C. Diaphragm 45. A muscle fascicle is a bundle of: a) myofibrils b) fibers c) filaments d) fascia 46. The connective tissue wrapping round a muscle that is steady with tendons is the: a) perimysium b) endomysium c) epimysium d) sarcolemma 47. Which of the following is NOT a major function of muscles: a) produce frame warmth b) frame movements c) controlling volume of hole organs d) garage of neurotransmitters 48. What is the smallest unit of contraction in muscle fibers: a) sarcomere b) sarcolemma c) sarcoplasm d) sarcofilament 49. In muscle tissues, neurotransmitter receptors are located: a) in synaptic vesicles b) in the synaptic cleft c) on the motor neuron axon terminals d) on the motor finish plate 50. Acetylcholinesterase: a) produces acetylcholine b) is the acetylcholine receptor in muscle tissue c) binds to the acetylcholine receptor in muscle tissue d) degrades acetylcholine 1. Which of the following statements about living cells is false? a) Most are microscopic b) They are found in all animals however now not in all plants. c) They are the smallest elementary devices that can perform all of the purposes that we typically outline as life. 2. Chromosomes are found in _____________________ of cells. a) the nucleus b) the cytoplasm c) both the nucleus and the cytoplasm 3. Which of the following statements is true about the chromosomes of various plant and animal species? a) They would possibly fluctuate in number, but are the similar form and size. b) They might differ in the shape and size, but in most cases have the identical quantity. c) They would possibly vary in quantity, shape, and size. 4. Which of the following statements is true about cells? a) The nucleus is inside of the mobile membrane which is surrounded by the nuclear membrane. b) The nucleus is inside the nuclear membrane which is surrounded by the cytoplasm. c) The cytoplasm is inside of the nuclear membrane. 5. A karyotype is a. a) general term for any type of chromosome b) form of ordinary chromosome that is associated with Down's syndrome c) image of a person's chromosomes arranged in a standardized way 6. The intercourse chromosomes of normal women are. a) X and Y b) Y and Y c) X and X d) none of the above 7. The genes on the intercourse chromosomes of women are ___________ and those of males are mostly ___________ . a) homologous; homologous b) homologous; hemizygous c) hemizygous; hemizygous 8. Autosomes: a) are all chromosomes rather then the intercourse chromosomes b) are customary intercourse chromosomes c) automatically resolve the sex of children 9. Normal humans have __________ pairs of autosomes and ___________ pair(s) of intercourse chromosomes. a) 23 and 23 b) 23 and a couple of c) 46 and 1 d) 22 and 1 10. All of the chromosomes in each standard human cell jointly have roughly __________ genes. a) 10,000-15,000 b) 20,000-25,000 c) 242,000 d) one million 11. A chromatid is: a) One of the strands or arms of a chromosome b) The level of attachment of two strands of a chromosome c) A chromosome before it turns into visual right through mobile division 12. The building of masculine bodily characteristics is most influenced by the inheritance of: a) AN X chromosome b) a karyotype c) The SRY gene 13 Somatic cells reproduce by ______________ , whilst sex cells reproduce by ______________ . a) Meiosis; mitosis b) Mitosis; mitosis c) Mitosis; meiosis d) Meiosis; meiosis 14. Which of the following statements about human reproduction is true? a) Mitosis in males is sometimes called spermatogenesis. b) Sperm and ova are zygotes. c) Oögenesis takes place in the ovaries of women 15. Which of the following statements is true about mitosis in humans? a) All cells of the frame go through mitosis roughly constantly from conception until demise. b) Each mobile undergoing mitosis divides into two complete new cells which might be typically similar to the cell from which they originated. c) It takes kind of two weeks for a cell to move via all six phases of mitosis. 16. Which of the following statements is true about meiosis in humans? a) Sperm and ova don't seem to be just like the mum or dad cells that produced them. b) Females produce far more gametes than do men. c) The procedure starts in males and females at puberty. 17. Oöcytes are. a) ova that experience no longer but finished the oögenesis process b) the places on chromosomes where ova are produced c) the male identical of ova 18. Which of the following statements is true in humans? a) Mitosis produces cells that have a haploid number of chromosomes. b) Meiosis produces cells that experience a diploid collection of chromosomes. c) Meiosis produces cells that experience a haploid number of chromosomes. 19. Human gametes usually have _____ chromosomes. a) 23 b) 46 c) a diploid collection of 20 . As a results of "fertilization", which of the following generally occur? a) A gamete is created. b) A unmarried sperm and ovum mix their genetic subject matter to create an offspring with the similar number of chromosomes as the oldsters. c) The ultimate section of spermatogenesis is begun. 1 Epithelial tissue is characterized by every of these traits, apart from that ____________. A) it lacks blood vessels B) it purposes in secretion, absorption, and excretion C) epithelial cells are loosely packed and have much intercellular subject matter D) it is anchored to a basement membrane 2Microvilli, which function to increase surface space, are much more likely to be found in ____________ epithelium. A) simple cuboidal B) simple squamous C) transitional D) simple columnar 3Epithelium that looks layered due to the various levels at which nuclei are present in cells, however in reality is no longer layered, is _________________. A) transitional epithelium B) pseudostratified columnar epithelium C) stratified squamous epithelium D) stratified columnar epithelium 4The outer layer of the pores and skin is composed of ______________________. A) transitional epithelium B) pseudostratified columnar epithelium C) stratified squamous epithelium D) stratified columnar epithelium 5The primary goal of stratification, or layering, in epithelial tissue is for larger _____________. A) coverage B) secretion C) absorption D) thickening of the basement membrane 6What type of epithelium traces the urinary bladder and is in a position to distention? A) stratified cuboidal epithelium B) stratified squamous epithelium C) transitional epithelium D) stratified columnar epithelium 7An exocrine gland that loses small portions of its cell our bodies during secretion, as is the case for the mammary gland, is further categorized as a(n) ____________ gland. A) merocrine B) apocrine C) holocrine D) endocrine 8Connective tissues are moderately very similar to epithelial tissues in all of these characteristics except for ___________________. A) they have got considerable intercellular material B) they can normally reproduce themselves C) they often serve more than one function D) they occur all through the body 9What serve as do fibroblasts serve in connective tissue? A) raise on phagocytosis B) secrete heparin that forestalls blood clotting C) secrete proteins that become fibers in the connective tissue matrix D) free up histamine associated with allergies and inflammation 10Connective tissue fibers that have great tensile energy and may also be found in ligaments and tendons are _________________. A) elastic fibers B) collagenous fibers C) reticular fibers D) yellow fibers 11The form of cartilage found in intervertebral disks of the vertebral column is ________________. A) hyaline cartilage B) elastic cartilage C) yellow cartilage D) fibrocartilage 12Choosing from the following list of connective tissues, which one consists of cells in a fluid matrix? A) free connective tissue B) adipose tissue C) bone D) blood 13Select the proper observation about bone. A) Bone shops, however does no longer unencumber, inorganic salts. B) Bone cells (osteocytes) are dead in mature bone. C) Bone is a very metabolically lively tissue. D) Elderly other people can't rebuild bone. 14Which muscle tissues is multinucleate, voluntary, and bears striations? A) skeletal muscle B) easy muscle C) multiunit clean muscle D) cardiac muscle 15Neuroglial cells help neurons in each and every of these ways, with the exception of _______________. A) supporting and binding worried tissue B) wearing on phagocytosis C) taking part in a task in cell-to-cell communications D) transmitting fearful impulses 16Which of the following is not one among the four primary forms of tissues? A) epithelial B) connective C) worried D) skeletal muscle 17The best major form of tissue specialized for movement is the _____ tissue. A) apprehensive B) cardiac muscle C) muscle D) connective 18The cells lining blood vessels and the lung alveoli are classed as _____ epithelium. A) columnar B) stratified squamous C) simple squamous D) cuboidal 19The kidney tubules are covered with _____ epithelial cells. A) columnar B) cuboidal C) squamous D) ciliated 20The cells that directly and in particular secrete mucus are referred to as _____ cells. A) epithelial B) endocrine C) exocrine D) goblet 21The time period _____ refers to the fact that an epithelial tissue has only one layer of cells. A) stratified B) cuboidal C) easy D) pseudostratified 22One of the major functions related to simple squamous epithelium is _____. A) diffusion B) lively transport C) secretion D) absorption 23What form of tissue is found on the surface of the ovaries? A) simple squamous B) easy columnar C) simple cuboidal D) stratified epithelium 24The lining of the vagina is covered with _____ cells. A) mucus, columnar B) pseudostratified epithelium C) stratified cuboidal D) stratified squamous 25 Connective tissue is complex because it has a variety of cells and a noncellular background referred to as a_____ surrounding them. 26 A) collagen B) elastin C) mucous secretion D) matrix Which of those is not a connective tissue? 27 A) blood B) bone C) muscle D) cartilage What form of tissue holds maximum organs together? A) adipose B) muscular C) dense connective D) loose connective 3. What a part of the cell serves as the intracellular highway? endoplasmic reticulum golgi equipment cell membrane mitochondria 4. Which of the following would you NOT to find in a bacterial cell? DNA cellular membrane golgi equipment ribosomes 5. Which of the following is found in plant cells, however not animal cells? mobile wall vacuole mitochondria endoplasmic reticulum
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