The Heart

Front

What are the upper two chambers of the heart called?

Back

Atria

Front

How do the Atrioventricular Valves close?

Back

Mechanical method

Front

What type of blood vessel carries blood away from the heart?

Back

Arteries

Front

What type of blood is found in the left two chambers of the heart?

Back

Oxygenated blood

Front

What is the top/superior portion of the heart called?

Back

Base

Front

What is the function of the heart?

Back

To pump blood throughout the body.

Front

What are the lower two chambers of the heart called?

Back

Ventricles

Front

What is the role of arteries in the circulatory system?

Back

To carry oxygenated blood away from the heart.

Front

What is the role of veins in the circulatory system?

Back

To carry deoxygenated blood back to the heart.

Front

What is the significance of the heart valves?

Back

They prevent the backflow of blood.