Cardiac muscle tissue, or myocardium, is a type of muscle tissue that forms the heart. It contracts and releases involuntarily and keeps the heart pumping blood around the body. The human body ...

This heart anatomy diagram shows that blood flows ... This allows blood to flow around the blocked artery to the heart muscle, protecting the heart tissue from injury. The atria and ventricles ...

Heart muscle tissue is made of sarcomeres, strings of contractile units that are anchored and separated by Z-lines. Dyads are positioned at the Z-lines at regular intervals. They consist of two ...

Your heart is a muscular organ about the size of a fist located in the chest cavity close to the lungs. It functions as a pump, consistently circulating blood throughout the body. The heart also ...

Studying anatomy helps us gain insights into how ... For example, the heart is an organ composed of cardiac muscle tissue that pumps blood throughout the body, while the skin is an organ ...

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 ...