What does your heart do?

• pumps blood through your body

• protects your body

• helps your exercize

Your heart is about the size of your __________.

• mouth

• fist

• show

Your heart pumps blood throughout your entire body through little tubes called _____________.

• veins

• arteries

• hoses

Blood is carried back to your heart in little tubes called ____________.

• veins

• arteries

• hoses

What does circulate mean?

• pump blood

• beat quickly

• go around and around

You can feel your heart beating when you feel your _____________.

• pulse

• breathing

• stomach growling

Your heart is a _____________.

• tube

• muscle

• vein

Which is NOT a way to exercise your heart?

• Running

• Sitting on the couch

• Swimming

Which is a good way to keep your heart healthy?

• Eating healthy foods

• Playing video games

• Eating greasy foods

Which describes all the parts of the circulatory system?

• heart, lungs, stomach, muscles

• heart, blood, arteries, and veins

• bones, skin, hair