Question

Oxygenated blood from lungs enters heart through

• A. Pulmonary vein
• B. Pulmonary artery
• C. Coronary system
• D. Coronary vein

Answer 1

The correct option is A Pulmonary vein

A. Pulmonary vein carries oxygenated blood from the lungs to the left auricle.

B. Pulmonary artery carries deoxygenated blood from the right ventricle to the lungs.

C. Coronary system includes the blood vessels involved in circulation of blood in heart muscles.

D. Coronary vein collects deoxygenated blood from the muscles of heart and supplies back to right atrium.

So, the correct answer is 'Pulmonary vein'.