8 Answer the following questions
in brief.
a. What is circulatory system?
b. What are the functions of the circulatory system?
c. What are the different blood groups in human being ? what is the basis of grouping them ?
d. Write a short note on systemic circulation.
e. Write a short note on pulmonary
circulation.
f. What happens to the blood that comes to the right ventricle
Answers
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Answer:
a.) The system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.
b.) The circulatory system delivers oxygen and nutrients to cells and takes away wastes.The heart pumps oxygenated and deoxygenated blood on different sides.The types of blood vessels include arteries,capillaries and veins.
c.) ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells. Persons may thus have type A, type B, type O, or type AB blood.
d.) The systemic circulation provides the functional blood supply to all body tissue. It carries oxygen and nutrients to the cells and picks up carbon dioxide and waste products. Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body.
e.) Pulmonary circulation moves blood between the heart and the lungs. It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide.The oxygenated blood then flows back to the heart.It sends oxygenated blood out to cells and returns deoxygenated blood to the heart.
f.) As deoxygenated blood flows into the right atrium, it passes through the tricuspid valve and into the right ventricle, which pumps the blood up through the pulmonary valve and through the pulmonary artery to the lungs.