Organisation

1. The largest organ of the human body. Covers the complete outside.
5. The system which supports the body in animals and contains bones.
6. The organ in animals which allows them to see.
7. The system responsible for movement in animals.
9. The system responsible for breaking down and absorbing food molecules in animals.
11. The organ which releases egg cells in animals.
13. The system responsible for transporting substances around the body in the blood (animals).
15. The organs where sperm are made in animals.
16. A group of organ systems working together makes up the living thing known as an __________.
17. The plant tissue which carries water around the plant.
19. The organ in animals which allows them to hear.

1. A group of organs working together makes an organ _________.
2. The organ which controls the body.
3. The smallest building block of life.
4. The testes and ovaries are organs in this system.
8. The organ which pumps blood around the body.
10. A group of the same cells working together.
12. An organ in the digestive system. It churns food and contains enzymes and hydrochloric acid.
14. A group of tissues working together to perform a certain function.
18. The organ in a plant which is used for photosynthesis.