1. Circulation System

2. There are five parts to your circulation system. Can you guess what they are?

3. This picture is a simple version of the circulation system. Can you see the parts of the circulation system yet?

4. This is the heart. What job does it do?

5. The heart pumps the blood around the body.

6. The blood is made of four different parts. The liquid part is called plasma

7. Red blood cells carry oxygen.

8. White blood cells attack microbes.

9. Platelets block cuts.

10. Your blood has to travel around your body. How does it get from one place to another ?

11. There are three different kinds of blood vessel in your body.