The human cardiovascular system illustrates the double circulation of mammals. The
Chapter 23, Problem 23.3(choose chapter or problem)
The human cardiovascular system illustrates the double circulation of mammals. The mammalian heart has two thin-walled atria and two thick-walled ventricles. The right side of the heart receives and pumps oxygen-poor blood; the left side receives oxygen-rich blood from the lungs and pumps it to all other organs.
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