THORAX ABDOMEN AND PELVIS

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MEDICAL

HEART AND PERICARDIUM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The two superior receiving chambers of the heart are known as the ____, while the two inferior discharging chambers of the heart are known as the ____
A
ventricles; atria
B
atria; ventricles
C
arteries; veins
D
veins; arteries
Explanation: 

Detailed explanation-1: -The upper chambers are the called atria and act as the receiving chambers. The lower chambers are called ventricles; these are the pumping chambers. There are four valves within the heart, which help control the direction of blood flow.

Detailed explanation-2: -The upper two chambers are called atria (singular: atrium) and the lower two are known as ventricles (singular: ventricle).

Detailed explanation-3: -The heart has four chambers: two atria and two ventricles. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle. The right ventricle pumps the oxygen-poor blood to the lungs. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.

Detailed explanation-4: -The upper chambers-the right and left atria-receive incoming blood. The lower chambers-the right and left ventricles-pump blood out of your heart.

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