The heart consists of 4 chambers. The upper 2 chambers are (a)   and they are responsible for (b)   blood. The lower 2 chambers are (c)   and they are responsible for (d)   blood.

• Atria
• Ventricles
• pumping
• receiving

Match the statement to the blood vessel it describes.

• Capillaries

• 3 layered, elastic blood vessels that carry blood away from the heart

• Arteries

• Smaller branches of veins

• Venules

• Smaller branches of arteries

• Arterioles

• Smallest blood vessels of the body

• Veins

• Thinner walled blood vessels that contain valves

Choose the largest blood vessel in the body.

• Superior Vena Cava

• Carotid Artery

• Aorta

• Coronary Artery

Where does gas exchange occur in the body?

• venules

• arterioles

• capillary beds

• coronary arteries

The rhythmic pressure against an artery wall is known as (a)   . The amount of pressure against the arterial wall is known as (b)   .

• Blood Pressure

• Pulse

Pulmonary circulation is the flow of blood between the heart and lungs.

• True

• False

All arteries carry oxygenated blood.

• True

• False

The coronary veins carry oxygenated blood to the heart muscle.

• True

• False

The majority of blood is made of the straw colored fluid plasma.

• True

• False

Which term is the abnormal hardening of plaque in an artery?

• arteriostenosis

• atherosclerosis

• atherostenosis

• atheromalacia