Deoxygenated blood from the body enters through which of the following chamber of the heart of humans?
Show answer & explanation
Correct answer: A
Explanation
Deoxygenated (impure) blood from the body first enters the right atrium of the human heart.
This deoxygenated blood enters this upper chamber of the heart through the superior and inferior vena cava, from where it is sent to the right ventricle.
Right atrium: Receives impure blood.
Right ventricle: Pumps blood to the lungs.
Left atrium: Receives purified blood from the lungs.
Left ventricle: Pumps purified blood to the body.