The human heart is a pump made primarily of cardiac muscle that constantly circulates blood throughout the human body. By so doing, the human heart provides nutrients and oxygen to organs, including itself.
Get Started for FREE
Sign up with Facebook Sign up with X
I don't have a Facebook or a X account
Your new post is loading...
Your new post is loading...
|
Know all about the characteristics and key facts about the human heart. Includes illustrations and downloadable files for practice.