Question

Differentiate between the following pairs on the basis of what
(a) Pulmonary artery and pulmonary vein (kind of blood)
(b) Artery and vein (direction of blood flow)
(c) Closed and open vascular system (definition)
(d) Bicuspid and tricuspid valve (location)
(e) Blood and lymph (composition)

Write important role/roles of each :
(a) Pericardial fluid
(b) Aorta​

Answer 1

Answer:

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Answer 2

Answer:

difference between Pulmonary Artery & Pulmonary Vein:-

Explanation:

Pulmonary Artery:-

•It is the fluid tube which passes the deoxygenated(CO2 rich blood) blood FROM right auricle of the heart by conducting CO2 rich blood from all the various parts of body TO the lungs(to purify the CO2 rich blood into O2 rich blood.

Pulmonary Vein:-

•It is the fluid tube which passes the oxygenated(O2 rich blood) blood FROM left ventricle(by receiving the O2 rich blood from lungs) TO all the various parts of the body.

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Artery:-

•It is the tube which receive O2 rich blood from pulmonary vein and pump it to all over the body parts.

Vein:-

•It is the tube which receive CO2 rich blood from all over the body to convey it to pulmonary arteries.

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