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 ...

Tendons (fibrous connective tissues) help keep your muscles in place on your bones. There are 3 types of muscle: skeletal muscle, cardiac muscle, and smooth muscle. Each of these has a different ...

Similar to skeletal muscles, cardiac muscles are striated. They’re only found in the heart. Cardiac muscle fibers have some unique features. Cardiac muscle fibers have their own rhythm.