Circulatory System Review

Red blood cells are called leukocytes.

• True

• False

• .

• .

Answer explanation

Red blood cells are called erythrocytes.

What is the name of a lower chamber of the heart?

• myocardium

• ventricle

• atrium

• pericardium

What blood vessels carry (unoxygenated) blood from the body back to the heart?

• veins

• arteries

• capillaries

• ducts

What is the name of a upper chamber of the heart?

• myocardium

• ventricle

• atrium

• pericardium

What is the double-layered membrane on the outside of the heart?

• septum

• ventricle

• atrium

• pericardium

What happens to the heart during systole?

• the ventricles contract

• a brief period of rest

• the atria contracts

• blood is re-oxygenated

What blood vessels carries (oxygenated) blood away from the heart to the rest of the body?

• veins

• arteries

• capillaries

• ducts

Which blood component is responsible for carrying oxygen to other cells?

• erythrocytes (red blood cells)

• thrombocytes (platelets)

• leukocytes (white blood cells)

• basophils

On a diagram of the heart, red typically indicates oxygenated blood.

• True

• False

• .

• .

What blood vessels allow oxygen and nutrient to pass through to the cells?

• arteries

• veins

• capillaries

• aorta