Across
- 2. responsible for synthesising the sugars required for plant growth
- 4. carry blood to the heart
- 8. reduce water loss during transpiration
- 10. acquired as a result of exposure to the disease
- 13. microorganisms that can cause disease
- 15. valve between right atrium and right ventricle
- 19. kill pathogens in the stomach
- 21. has no nucleus and the function for transporting oxygen
- 22. 55% of total blood volume
- 23. movement of solvent from higher concentration to lower concentration
- 24. contain oxygenated blood
Down
- 1. the loss of water from the leaves of a plant by the process of evaporation
- 3. as immune system in the body
- 5. the transport of sucrose and amino acids in phloem tissues
- 6. active immunity
- 7. increase the surface area for water absorbtion
- 9. one cell thick
- 11. remember particular antigens
- 12. factor that can increase the rate of transpiration
- 14. bring blood to all parts of the body
- 16. an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat
- 17. chemical barrier
- 18. an opening in leaf
- 20. stimulated by vaccine in the body