Heart and Blood Flow

The human heart has ___ chambers.

• 3

• 5

• 4

• 2

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

• Aorta

• Vena Cava

• Pulmonary Veins

• Pulmonary Arteries

Which chamber does oxygenated blood enter the heart first?

• Left Ventricle

• Right Atrium

• Left Atrium

• Right Ventricle

Blood flows from the right atrium to the right ventricle through this valve.

• Mitral Valve

• Aortic Valve

• Pulmonary Valve

• Tricuspid Valve

Which structure separates the left and right sides of the heart?

• Septum

• Tricuspid Valve

• Pulmonary Valve

• Aortic Valve

Blood travels through this valve when heading to the lungs.

• Aortic (Semi-lunar) Valve

• Tricuspid Valve

• Mitral Valve

• Pulmonary (Semi-lunar) Valve

Oxygen rich blood flows from the lungs into what chamber?

• Left Atrium

• Left Ventricle

• Right Atrium

• Right Ventricle

True or False:

The left side of the heart contains oxygenated blood.

• True

• False

The upper chambers of the human heart are called the _____.

• Ventricles

• Valves

• Arteries

• Atria

True or False:

Veins carry blood to the heart.

• True

• False