circulatory system

How many types of blood vessels are in our body?

• 1

• 2

• 3

• 4

Veins carry oxygen poor blood back to the heart

• true

• false

Arteries carry oxygen rich blood away from the heart

• true

• false

The job of the heart is to . . .

• pump blood around the body

• break down food

• give energy to the body

______________ are the smallest blood vessels

• Capillaries

• Arteries

• Veins

The heart has ___ chambers

• 
• 
• 
• 

Veins have special ________________ to stop blood from flowing backward

• valves

• ventricles

• gravity

• arteries

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

• fist

• foot

• finger

• head