The Heart

THE HEART
The heart is actually a muscle and an organ at the same time. The hart as well as the brain the most important body parts. The Heart pumps blood and oxygen  through arteries and blood returing from the heart comes through  veins.

CARDIOLOGY
Cardiology is the the study of the heart. Doctors who study it are called cardiologists.



Fun fact

FUN FACT
The heart weighs about 10.5 ounces.  Also, the heart is covered in a  liquid filled sack called the pericardium.