This heart anatomy diagram shows that blood flows from the ... They extend from the valve leaflets to small muscles, called papillary muscles, which are part of the inside walls of the ventricles.

Additionally, the heart is largely made up of a type of muscle tissue called cardiac muscle. This muscle contracts when your heart beats, allowing blood to pump through your body. Read on to learn ...

Cardiac muscle tissue is only found in your heart. It performs involuntary, coordinated contractions that allow your heart to pump blood through your circulatory system. Cardiac muscle tissue is ...

The muscular system can be broken down into three types of muscles: skeletal, smooth and cardiac. The muscles in the body support movement, help maintain posture, and circulate blood and other ...