Circulation System

Your heart is an involuntary muscular organ 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?

• Atria and Ventricles

• Pulmonary and aortic Valves

• Arteries and Veins

• Sinoatrial Nerve

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

• true

• false

How big is your heart?

• Size of your eyeball

• Size of your head

• Size of your fist

• Size of a golfball

How many chambers does the heart have?

• 1

• 2

• 3

• 4

What does your heart do?

• Give your body energy

• Pump carbon dioxide through your body for your cells

• Pump blood with oxygen/carbon dioxide around the body

• Only pump blood to the lungs

What do red blood cells pick up in the lungs and what do the drop off in the lungs?

• Carbon dioxide

• Oxygen

• Pick up carbon dioxide, drop off oxygen

• Pick up oxygen and drop off carbon dioxide

What keeps blood flowing in the right direction?

• Atria

• Valves

• Veins

• Capillaries

The top chambers of the heart are the _________ and the thicker, stronger, bottom chambers of the heart are the _____________.

• Ventricles, Atria

• Atria, Vena Cava

• Aorta, Ventricles

• Atria, Ventricles