DoubleDab6036 DoubleDab6036

24-05-2024
Biology

Answered

Pericardial fluid
a. lubricates the heart as it beats in the pericardial cavity.
b. comes out of heart tissue as pressure in the ventricles increases.
c. provides a source of nutrients and gas exchange for the heart wall.
d. stores red blood cells while the blood passes through the heart.

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