The Heart and Blood Flow

Carbon dioxide rich blood enters the heart through what chamber?

• Right Atrium

• Left Atrium

• Right Ventricle

• Left Ventricle

Oxygenated blood is brought from the lungs to the heart through the ___.

• Aorta

• Vena Cava

• Pulmonary Veins

• Pulmonary Arteries

The inferior vena cava and superior vena cava are examples of what blood vessel?

• Veins

• Capillaries

• Arteries

• Valves

The inferior vena cava carries deoxygenated blood. 

• True

• False

Which blood vessel carries blood from the heart to the lungs to receive oxygen?

• Aorta

• Vena Cava

• Pulmonary Artery

• Pulmonary Vein

The pulmonary veins carry deoxygenated blood to the left atrium. 

• True

• False

Veins carry blood to the heart.

• True

• False

The human heart has ___ chambers.

• 3

• 5

• 4

• 2

The left side of the heart contains oxygenated blood.

• True

• False

When blood is brought to the lungs ____.

• It releases carbon dioxide to the lungs

• It releases oxygen and collects carbon dioxide

• It releases oxygen to the lungs

• It releases carbon dioxide and collects oxygen