circulatory system

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

Which of the following does blood help transport throughout the body?

• undigested food

• Nutrients

• Gases (oxygen and carbon dioxide)

• hormones like adrenaline

Blood carries ____________ to the heart.

• vitamins

• germs

• oxygen

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

Your heart is a _____________.

• tube

• muscle

• vein

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

The heart has ___ chambers.

• 1
• 2
• 3
• 4

What is the Circulatory System also known as?

• The heart
• Cardiovascular System
• Nervous System
• Aorta