Which feature permits the compression necessary to pump large volumes of blood out of the ventricles?
A) Negative pressure inside the ventricles
B) Absence of oxygenated blood in the atria
C) Arrangement of cardiac muscle in the heart wall
D) Presence of skeletal muscle tissue in the heart skeleton
E) Presence of papillary muscles in the ventricles

Question

Quizplus · Accepted Answer

The arrangement of cardiac muscle in the heart wall, specifically the spiral and circular arrangement, allows for effective contraction and compression necessary to pump blood out of the ventricles.

Which Feature Permits the Compression Necessary to Pump Large Volumes