Across
- 2. Sperm cells have this to enable them to swim to an egg.
- 4. Nerve cells has lots of these branches to connect to other nerve cells (9)
- 6. These cells are specialised to carry food made in photosynthesis up and down the plant (6)
- 10. Muscle cells have a lot of mitochondria because they need to make a lot of ______ to contract them (6)
- 12. Sperm cells have a lots of these in their middle section to ensure that they have enough energy to swim to the egg (4)
- 13. Muscle cells contains special ________ that slide over each other, making these fibres contract (8)
- 14. This type of organelle is abundant in photosynthetic cells (11)
Down
- 1. This chemical builds up in rings and spirals in the xylem ensuring it stays strong (6)
- 3. Nerve cells have a lot of this type of organelle because they need lots of energy to make transmitter chemicals (12)
- 5. This type of cell is specialised to carry electrical impulses (5)
- 7. This type of plant cells is designed to increase surface area for maximum water uptake (4,4)
- 8. This transport tissue in plants carries water and mineral ions (5)
- 9. This stores digestive enzymes which break down the eggs cells outer later so the sperm can penetrate (8)
- 11. This type of cell is specialised to relax and contract (6)
- 15. This type of cell contains genetic information from the male parent (5)