Heart Facts for beginners
The human heart is about the size of your fist.
It is made up of cardiac muscle and pumps blood throughout the body.
It has four chambers. The top chambers are called atriums and the bottom chambers are ventricles.
You will also learn about the flow of blood through the heart.

Keywords: Human heart facts for beginners
Human anatomy for beginners
The human heart facts and information
Blood flow through heart
Heart facts and information
*
*
For more Life Science videos and summaries see,
[ Ссылка ]

свернуть