How the circulatory system works.

1. By Eduardo López Fernández
CEIP El Recuerdo, San Javier

2. Our bodies need nutrients and oxygen.

3. Thecirculatory system isa transport system.

4. It carries nutrients and oxygenaround thebody.
Nutrients
from food.
Oxygen
from air.

5. Thecirculatory system ismade up of:
Blood
Heart
Blood
vessels

6. Blood is a red liquid that travels in the
blood vessels.

7. Blood picks
up oxygen
and
nutrients.
It drops off
carbon
dioxide and
waste.

8. Theheart is amuscle.
It’s in the middleof your chest.
It pumps blood day and night.