Question

Which of the following statement(s) is (are) true about human heart?

1. Right atrium receives oxygenated blood from lungs through pulmonary artery.
2. Left atrium transfers oxygenated blood to left ventricle which sends it to various parts of the body.
3. Right atrium receives deoxygenated blood through vena cava from upper and lower body.
4. Left atrium transfers oxygenated blood to aorta which sends it to different parts of the body.

विकल्प

• a

• b and d

• a and d

• b and d

Answer 1

a and d

Explanation:

The left atrium transports oxygenated blood from the lungs to the left ventricle, pumping it to various body areas. The right atrium gets deoxygenated blood from the vena cava from the upper and lower body.