Which best describes the pericardium?

A. structures inside the heart that ensure that blood flows in one direction only

B. a sac around the heart that allows the heart muscle to receive oxygen

C. a sac around the heart that protects the heart and chest tissues

D. structures inside the heart that bring blood to the lungs for oxygenation

Question

Hailie Bright

Biology

6 April, 02:22

Which best describes the pericardium?

A. structures inside the heart that ensure that blood flows in one direction only

B. a sac around the heart that allows the heart muscle to receive oxygen

C. a sac around the heart that protects the heart and chest tissues

D. structures inside the heart that bring blood to the lungs for oxygenation

+1

Answers (1)

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Richards · Answer 1

I think the best answer is C. It is a sac around the heart that protects the heart and chest tissues. It is a membrane that surrounds the heart to protect it. It serves as a shock absorber. It has two layers the serous layer and the fibrous layer.