The strong muscular walls contract (squeeze), pumping blood to the arteries. The cardiovascular system is made up of your heart and your blood vessels. This heart anatomy diagram shows that ...

A wall of tissue called the septum separates the left and right atria and the left and right ventricle. Valves separate the atria from the ventricles. At rest, the heart might beat around 60 times ...

The walls of your heart are made up of three layers. The middle layer, called the myocardium, is largely cardiac muscle. It’s also the thickest of the three layers. Cardiac muscle is a special ...

The heart is divided into two sides by a wall called septum. The heart is a muscle that beats about hundred thousand times a day. Its main function is to pump blood to the whole body to supply ...

When the workload on the heart increases, the ventricular wall may thicken too, known as cardiac hypertrophy . This is an adaptive response that reduces pressure on the heart and maintains the ...

An anterior wall myocardial infarction occurs when anterior ... According to the American College of Cardiology/American Heart Association guidelines for STEMI, there must be “new ST segment ...

Interest has been sparked in Lowell High School’s anatomy and physiology class as students glimpsed graphs showing electrical ...