HEART

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

• Cardiac muscle

• Striated muscle

• Smooth muscle

• None of the above

Your heart is an involuntary muscle that is always working.

• True

• False

Your heart always pumps at the same rate.

• True

• False

Tags

NGSS.HS-LS1-3

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

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.

What is the name for a circulatory system that has blood leave heart to go to lungs then goes back to heart before delivering the oxygenated blood to the rest of the body?

• DOUBLE LOOP
• TRIPLE LOOP
• SINGLE LOOP

Unoxygenated blood enters the right atrium from the top of the heart.

• inferior vena cava
• superior vena cava
• aorta