Heart Chambers & Valves
Blood Flow
Circulation Paths
100

These are the two upper chambers of the heart that receive blood

What is the right atrium and left atrium?

100

Oxygen-poor blood enters the heart here, the upper right chamber, from the body.

What is the right atrium?

100

These arteries supply oxygen-rich blood directly to the heart muscle itself.

What are the coronary arteries?

200

This valve is between the right atrium and right ventricle, and it has three flaps.

What is the tricuspid valve?

200

After picking up oxygen in the lungs, blood returns to the heart and enters this upper left chamber through the pulmonary veins.

What is the left atrium?

200

This type of circulation carries blood from the heart to the lungs to get oxygen, then back to the heart.

What is pulmonary circulation?

300

This valve is between the left atrium and left ventricle, and it's the only one with two flaps instead of three.

What is the mitral valve or the bicuspid valve?

300

This is the strong lower chamber that pumps oxygen-rich blood out to the whole body through the aorta

What is the left ventricle?

300

This type of circulation carries oxygen-rich blood from the heart to the rest of the body and returns oxygen-poor blood to the heart.

What is systemic circulation?

400

It is the only artery in the human body that carries deoxygenated blood, traveling from the right ventricle to the lungs

What is the pulmonary arteries

400

This chamber of the heart receives deoxygenated blood from the right atrium and pumps it through the pulmonary valve to the lungs.

What is the right ventricle

400

The heart acts as a _______________, working continuously

Double pump

500

This semilunar valve sits between the right ventricle and the pulmonary artery to prevent backflow

What is pulmonary valve

500

What connects your left ventricle and aorta

What is aortic valve

500

________ increases when the heart works harder.

Blood flow