Across
- 3. blood vessel carrying oxygenated blood from the heart to the body
- 8. sugar dissolved in blood needed for respiration
- 9. vessel which transports amino acids and sucrose in plants
- 11. carries deoxygenated blood to the lungs
- 13. liquid part of the blood
- 14. holes in the leaf where gas exchange takes place
- 15. gas which binds to haemoglobin in red blood cells
- 16. loss of water from the leaf
- 17. blood vessels which supply the heart tissue with oxygen
- 20. cells which carry oxygen
- 21. cells which kill pathogens
Down
- 1. these help clot the blood to form scabs
- 2. specialised cells in roots with a high surface area
- 4. organ system composed of a pump, vessels and one way valves
- 5. carries oxygenated blood from the lungs
- 6. blood vessels carrying deoxygenated blood from the body to the heart
- 7. vessel which transports water in plants
- 10. movement of dissolved sugars and amino acids from source to sink
- 12. waste product of respiration dissolved in plasma
- 18. something which increases your risk of developing a disease
- 19. ensures one way flow of blood