Your circulatory system contains three blood vessel types: arteries, veins, and capillaries. Arteries carry blood from the heart, unlike veins, which carry blood to the heart. According to the ...

Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Arteries are blood vessels. Most carry oxygen-rich blood from the heart to various organs and tissues. Arteries are a part of the circulatory system, along with the heart and other blood vessels. The ...

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 one ...