Circulatory System

The heart is made of which of the following types of muscles?

• Cardiac muscle

• Striated muscle

• Smooth muscle

• None of the above

Your heart always pumps at the same rate.

• True

• False

Electricity cause your muscles to contract.

• True

• False

Which of the following are chambers of the heart?

• Valves

• Atrium and ventricle

• Arteries and veins

• Sinoatrial nerve

Blood clots can cause a heart attack

• True

• False

Which of the following is true about your heart?

• Your heart may stop beating from time to time.

• You have to think in order to keep your heart beating.

• Your heart pushes blood through your body.

• All of the above

What can happen sometimes when you stand up to quickly?

• You become light-headed.

• Your blood stays down at your legs and feet.

• Your blood does not get to your head fast enough.

• All of the above.

Your heart is an involuntary muscle that is always working.

• True

• False

The pulmonary artery is the artery that carries the blood to your heart from your lungs.

• True

• False

How are arteries and veins different?

• One is bigger than the other.

• The arteries carry more blood than the veins.

• The arteries carry blood away from the heart while veins carry blood to the heart.

• The veins carry blood away from the heart while arteries carry blood to the heart.