Front

The size of a normal heart is

Back

the size of your fist

Front

The heart is located

Back

in the mediastimum

Front

The function of the heart is

Back

to pump blood to the cells

Front

The heart is classified as a

Back

a hollow muscular organ that beats about 72 times a minute

Front

Blood returns from the body and enters the

Back

right atrium

Front

The inferior vena cava gets blood from

Back

below the diaphragm

Front

The valves of the heart are made of

Back

endocardium

Front

What are the two entrance valves of the heart?

Back

tricuspid and bicuspid

Front

Which two valves are called semilunar valves?

Back

Pulmonary and aortic

Front

The fibrous outer layer, filled with fluid that protects the heart from the chest cavity is the

Back

pericardium