Across
- 3. are tiny parts that make up your body
- 6. is made of water, oxygen, carbon dioxide, sugars, salts and proteins
- 7. are made of muscle and strong ropes of tissue called tendons
- 10. help mend wounds
- 13. a part inside the body that does a job
- 14. matter that forms the parts of living things
Down
- 1. carry blood to the heart
- 2. is the largest artery
- 4. the parts of an air-breathing animal that take in air and supple oxygen to the blood
- 5. causing hurt
- 8. carry blood away from the heart
- 9. food that a living thing needs to live and grow
- 10. important parts of the cells of all plants and animals
- 11. vessels narrow tunnels in the body, through which blood flows
- 12. powers the circulatory system