ANATOMY

Detailed explanation-1: -The chamber that receives deoxygenated blood from various parts of the body is the Right Atrium.

Detailed explanation-2: -Deoxygenated blood from the lower half of the body enters the heart from the inferior vena cava while deoxygenated blood from the upper body is delivered to the heart via the superior vena cava. Both the superior vena cava and inferior vena cava empty blood into the right atrium.

Detailed explanation-3: -Right chamber of the human heart comprising of the right atrium and right ventricle receives deoxygenated blood from all the parts of the body.

Detailed explanation-4: -Right atrium: Receives blood returning to the heart from the superior and inferior vena cava; transmits blood to the right ventricle, which pumps blood to the lungs for oxygenation.