Unit 6 Cardiovascular System Quiz

Which of the following mechanisms of the cardiovascular system helps regulate body temperature?

• Blood vessels in the skin constrict.

• Deoxygenated blood is delivered to the lungs.

• Lymphocytes produce antibodies.

• The heart receives oxygenated blood.

Match the structures of the cardiovascular system with their functions.

• carry blood back to the heart

• atria

• control blood flow through the heart

• veins

• pump blood to the rest of the body

• valves

• receive blood returning to the heart

• ventricle

• 
  

  carry blood away from the heart

• arteries

Which of the following is the type of blood vessel where the exchange of substances occurs between the blood and the tissues of the body?

• venule

• vein

• arteriole

• capillary

Which of the following valves is located between the left ventricle and the aorta?

• pulmonary valve

• mitral valve

• aortic valve

• tricuspid valve

Which of the following layers of the heart wall is made up of cardiac muscle fibers that contract to pump blood out of the heart?

• endocardium

• epicardium

• myocardium

• pericardium

Here is an image of the major blood vessels that enter and exit the heart. Use the following terms to label the blood vessels.

b

c

d

e

a

Aorta

Inferior Vena Cava

Pulmonary Artery

Superior Vena Cava

Pulmonary Veins

Identify the pathway of deoxygenated blood through the heart. Drag to correctly order the structures of the heart through which deoxygenated blood from the body tissues passes before the blood is transported to the lungs.

• right atrium

• vena cava

• tricuspid valve

• pulmonary artery

• right ventricle > pulmonary valve

Which of the following are structures of the heart involved in pulmonary circulation?

• right ventricle

• left atrium

• aorta

• pulmonary artery