Across
- 4. the system that you use to breath
- 7. system made of lots of different organs working together
- 10. carries out photosythesis
- 11. where the digestive system begins
- 13. a process where plants use light to make food
- 15. the smallest unit of a living thing
- 16. a common ball and socket joint in the arm
- 18. a living thing
- 21. system the system in the human body made up of bones
- 22. the organ that pumps blood around the body
- 23. A dense column of nerve cells that connects the peripheral and central parts of the nervous system
- 24. bones that surround the lungs
Down
- 1. the system that helps you absorb nutrients from food
- 2. made of lots of different types of cells
- 3. made of different tissue working together
- 5. a system that fights infections and diseases
- 6. where your food goes into acid to get broken down
- 8. a cell that transports oxygen around the body
- 9. the system that sends messages to the brain and from the brain
- 12. the organ system the heart is at the centre of
- 14. the brain of a cell
- 17. outer layer of the body
- 19. a cell that absorbs nutrients and water from soil
- 20. the tube you swallow food down