Circulatory System

This organ pumps blood through your body.

• heart

• artery

• vein

• capillaries

These blood vessels take oxygenated blood to the body cells.

• heart

• artery

• vein

• capillary

These blood vessels carry deoxygenated blood to the lungs.

• heart

• capillaries

• veins

• arteries

Small blood vessels that diffuse oxygen, carbon dioxide, and nutrients.

• heart

• arteries

• veins

• capillaries

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

How does the heart work?

• It pumps blood first to the lungs, back to the heart and then around the rest of the body.

• It pumps blood first to the rest of the body, back to the lungs and then to the heart.

• It pumps blood around the rest of the body, back to the heart and then to the lungs,

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 

• respiratory 
• digestive
• skeletal
• nervous