1. natural
sciences 3

2. What happens to our bodies when we do sport?
Blood flows fast around our bodies.
We inhale and exhale more air.

3. How do our bodies work?
The nervous system and senses control everything that happens in our bodies.
The nervous system is made up of the brain, spinal cord and nerves.

4. What do the senses do? Sight Touch Taste Hearing Smell
All the senses give information to the brain.

5. How do our bodies move?
Foto panda, bee and pig p. 6
Our locomotor system is made up of bones, joints and muscles.
Our locomotor system helps us move, eat and speak.

6. How can we look after our locomotor system?
Turtle/eagle/cheetah p. 6
We can sleep 10 hours every day.
We can warm up before doing sport and stretch after doing exercise.

7. How does our circulatory system work?
Duck /calf p. 7
Our circulatory system carries nutrients around the body.
It’s made up of the heart, the blood and the blood vessels.

8. What’s the pulse?
2 photos bottom of page 8
The pulse is the small thump you can feel in some parts of the body.
A person’s heartbeat changes when they do any activity.

9. How does our respiratory system work?
It helps us breathe in oxygen and breathe out carbon dioxide.
It’s made up of the nostrils, the windpipe, the bronchi and the lungs.

10. What’s the reproductive system?
The reproductive system allows us to have babies.
Men have testicles and sperm. Women have eggs and ovaries.

11. What have we learnt? Our bodies work using our… senses nervous system
circulatory system
respiratory system
locomotor system
reproductive system

12. What have we learnt? There are five senses… sight touch taste smell
hearing