ventricles of heart

 

Heart contains four chamber-

Atrium

1. Right atria

2. Left atria

Ventricles

3. Right ventricles

4. Left ventricles

Heart divided into right and left side by septum.

Atria; Recieving chamber

Ventricle; Discharging chamber

Ventricles

1. Right ventricles 

Receives deoxtgenated blood from right atrium and pump it to the lungs through pulmonary artery.

2. Left ventricle

It receives oxygenated blood from left atrium and pump it into aorta.