Question

WRITE important role/roles of each
(a) Pericardial fluid
(b) Aorta
(c) Vena cavae​

Answer 1

Explanation:

Pericardial membranes produce pericardial fluid, a liquid that sits between the pericardium's membranes. The fluid acts as a lubricant for the movement of the heart, reducing friction as the heart pumps blood.

The aorta is the main artery that carries blood away from your heart to the rest of your body. The blood leaves the heart through the aortic valve. Then it travels through the aorta, making a cane-shaped curve that allows other major arteries to deliver oxygen-rich blood to the brain, muscles and other cells.

Answer 2

Answer:

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Explanation:

Vena cavae