Question

multiple select question select all that apply which of the following are features of ventricles? thin - walled lower chambers of the heart upper chambers of the heart thick - walled

Explanation:

The ventricles are the lower chambers of the heart. They need to pump blood over greater distances (systemic and pulmonary circulation), so they have thick - walls. Atria are the upper chambers and are thin - walled.

Answer:

B. Lower chambers of the heart
D. Thick - walled