Across
- 5. Unspecialised cells that can develop into different cell types
- 7. Fusion of male and female gametes to form a zygote
- 10. Plant tissue that transports sugars around the plant
- 15. Simple sugar used in respiration to release energy
- 16. Protein in red blood cells that carries oxygen
- 18. Tiny air sacs in the lungs where gas exchange occurs
- 19. Functional unit of the kidney responsible for filtration
- 20. Digestive enzyme that breaks down starch into sugars
- 22. Nitrogenous waste produced from the breakdown of excess amino acids
- 24. Male reproductive organ that produces sperm
- 25. Female gamete involved in fertilisation
Down
- 1. Tube that carries air to and from the lungs
- 2. Finger-like projections in the small intestine that increase surface area for absorption
- 3. Process that releases energy from glucose in cells
- 4. Female reproductive organ that produces eggs
- 6. Male gamete involved in fertilisation
- 8. Tubes that branch from the trachea into the lungs
- 9. Process of breaking down food into smaller soluble molecules
- 11. Plant tissue that transports water and mineral ions
- 12. Organ that allows exchange of nutrients and wastes between mother and fetus
- 13. Transfer of pollen from anther to stigma
- 14. Organ that filters blood and produces urine
- 17. Removal of metabolic waste products from the body
- 21. Tiny pores on leaves that allow gas exchange
- 23. Biological catalyst that speeds up chemical reactions in living organisms