Across
- 6. hormone that is produced in dangerous situations
- 7. Secretes antibodies to protect the body from viruses
- 8. enzyme produced in the mouth to catalyse starch
- 14. iodine solution is used to test for this substance
- 15. where the pollen grain lands on
- 16. the green pigment in a plant that traps light
- 17. tiny hair-like projections in the small intestine
- 18. engulfs pathogens in the body (type of white blood cell)
- 19. used to build complex structures and helps growth in body
- 20. diffusion in water
Down
- 1. blood vessel that carries oxygenated blood from the lungs to the heart (two words, use - in between)
- 2. the loss of water vapour from a plant
- 3. a stem in the plant that carries water
- 4. carries oxygen in a red blood cell
- 5. Where photosynthesis occurs
- 9. a substance that speeds up a chemical reaction such as enzymes
- 10. a chemical reaction used to make energy (uses glucose and oxygen hint hint)
- 11. fertilised egg (starts with z)
- 12. cell division from a parent cell to two daughter cells
- 13. a muscle that contracts and relaxes, increasing and decreasing the volume of the lungs