Heart

Electricity cause your muscles to contract.

• 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.

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

Your heart always pumps at the same rate.

• True

• False

Tags

NGSS.HS-LS1-3

Your heart is an involuntary muscle that is always working.

• True

• False

How many chambers does the heart have?

• 4

• 10

• 3

• 1

How big is the heart?

• Size of a golfball

• Size of your fist

• Size of your eyeball

• Size of your head

What keeps blood flowing in the right direction?

• Atria

• Chambers

• Valves

• Veins

Which is the Inferior Vena Cava?

• A

• B

• O

• P