Paper 1 & 2 Crossword 4

2. The jelly-like substance within a cell, containing organelles.
4. Cell that carries oxygen around the body.
5. Cell responsible for photosynthesis in plants.
8. Cell that helps in blood clotting.
9. A cell organelle that contains chlorophyll and is the site of photosynthesis.
11. A group of similar cells that perform a specific function.
14. Plant cell that regulates the opening and closing of stomata.
16. Structures made of DNA that contain the genes.
18. Specialized plant cell that transports sugars.
19. Cell that transmits signals from the brain to muscles.
20. A type of blood vessel that carries blood back to the heart.
21. A type of reproduction involving only one parent, resulting in identical offspring.
22. A rigid layer that provides support and protection to plant cells.

1. The liquid-filled space inside plant cells that stores nutrients and waste products.
3. The organ that stores and concentrates bile.
4. The process by which cells obtain energy from glucose.
6. The cell that aids in the absorption of water and nutrients in plants.
7. A gland in the neck that regulates metabolism.
10. The process by which cells divide to form two identical daughter cells.
12. Cell in the bone marrow that gives rise to all blood cells.
13. Cell that contracts to enable movement.
15. The structure where protein synthesis occurs.
16. The smallest blood vessels where gas exchange occurs.
17. Specialized plant cell that transports water.
21. A type of blood vessel that carries blood away from the heart.