EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

In the heart, what is the name of the upper, thin-walled chamber through which blood is pumped to the ventricles?

A	Valves
B	Veins
C	Ventricles
D	Atrium

Explanation:

Detailed explanation-1: -The two top chambers are the right atrium and the left atrium. They receive the blood entering the heart. A wall called the interatrial septum is between the atria.

Detailed explanation-2: -atrium. thin-walled, upper chamber of the heart through which blood is pumped to the ventricles. There is a right & left. ventricle. thick-walled, lower chamber of the heart that receives blood pumped from the atrium.

Detailed explanation-3: -The two atria are thin-walled chambers that receive blood from the veins. The two ventricles are thick-walled chambers that forcefully pump blood out of the heart.

Detailed explanation-4: -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. The left ventricle pumps the oxygen-rich blood to the body.

Detailed explanation-5: -systole-this is when your heart contracts, pushing blood out of the chambers.

There is 1 question to complete.