Heart and Blood Circulation Quiz

The heart has ___________ chambers, which help pump blood to different parts of the body.

The ___________ valve prevents blood from flowing back into the right atrium from the right ventricle.

The ___________ valve is located between the left atrium and the left ventricle.

The ___________ valve prevents blood from flowing back into the right ventricle after it moves to the lungs.

The ___________ valve prevents oxygen-rich blood from flowing back into the left ventricle.

The right side of the heart pumps blood to the ___________ to receive oxygen.

The left side of the heart pumps oxygen-rich blood to the ___________.

The largest artery in the body is the ___________, which carries blood from the heart to the body.

The smallest blood vessels in the body, where oxygen and nutrients pass to cells, are called ___________.

The main blood vessel that carries oxygen-poor blood from the body to the heart is the ___________.