Across
- 2. The nervous system uses electrical messages to tell the body how to do this.
- 5. The skeleton helps to keep the internal _______ and nuscles safe.
- 6. An animal is _______ from germs and bacteria by its immune system.
- 8. All systems and organs are made up of these.
- 9. The body has two ways of sending these around the body;electrical and chemical
- 12. This is the result of processes in the body and is removed or eliminated from the body via breathing, faeces or urine.
- 13. Part of the nervous system, these allow animals to experience the environment around them.
Down
- 1. All animals need these for survival. They are taken from the food eaten.
- 3. In order to maintain good health, the body protects itself against this.
- 4. Another name for chemicals which help to control different functions in the body.
- 7. The opposite to solids.
- 10. There are around 2 million known species of these on Earth.
- 11. Specialised cells join together to make these.
- 14. The nutrients taken from the food supply an animal with this.