Circulatory System

The heart has ___ chambers.

• 1
• 2
• 3
• 4

Carry blood away from heart; mostly oxygen-rich

• Arteries
• Veins
• Capillaries

Which is NOT a function of the circulatory system?

• deliver O₂ and nutrients to cells
• remove CO₂ and wastes from cells
• break down carbohydrates into glucose
• transport other materials through body

arteries, veins, and capillaries are three types of __________

• heart valves
• blood vessels
• cells
• veins

What does blood do?

• Carries Water to cells
• Carries Oxygen to cells
• Carries Food to cells
• All of the above 

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

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.

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,

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries