Major Organs (Heart)

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

When does your heart beat?

• Only when you are exercising

• Only when you are sleeping

• All the time

What does your heart do?

• Pump carbon dioxide through your body

• Give your body energy

• Pump oxygen through your body

• Nothing

How many atria are there?

• 1

• 7

• 2

• 4

What keeps blood flowing in the right direction?

• Atria

• Chambers

• Valves

• Veins

Where does your heart get oxygen?

• Lungs

• Mouth

• Toes

• Fingernails

This chamber of the heart RECEIVES blood returning from the body

• Right Atrium
• Right Ventricle
• Left Atrium
• Left Ventricle

Which side of the heart contains oxygenated blood?

• the right
• the left
• the superior region
• the inferior region

What is the circulatory system?

• a system responsible for pumping blood

• your brain

• a circular vein

• all of your veins