PBS 1.2.5 Heart Anatomy

These blood vessels carry blood from the body to the heart.

• arteries

• veins

• capillaries

• arterioles

Arteries contain the following:

• Valves & small muscles

• Small muscles only

• Valves only

• Neither small muscles nor valves

Blood that is returning from the brain enters the heart through the ________________________.

• Inferior Vena Cava

• Pulmonary Vein

• Aorta

• Superior Vena Cava

These blood vessels undergo gas exchange.

• Arterioles

• Capillaries

• Venules

• Arteries

The purpose of valves in the body is to…

• Prevent blood from flowing backwards

• Push blood forward

• Carry oxygenated blood to body

• Carry deoxygenated blood to heart

The right ventricles pump blood to the [ ] to send it to the [ ] to pick up [ ] and bring it back to the heart.

• Pulmonary artery, lungs, oxygen

• Aorta, body, carbon dioxide

• Pulmonary vein, lungs, oxygen

• Inferior vena cava, lungs, body

The right side of the heart contains [ ] blood and the left side of the heart contains [ ] blood.

• deoxygenated, oxygenated

• oxygenated, deoxygenated

• neither

• red, blue

How many chambers are in the human heart?

• 1

• 2

• 3

• 4

The word “pulmonary” is associated with this organ in the body.

• heart

• stomach

• lungs

• brain

Systemic circulation refers to blood flowing through the _______________.

• heart

• body

• lungs

• muscles