Across
- 3. a process that is carried out by green plants to make their own food
- 10. Produces energy for chemical reaction
- 12. consists of one type of atom only
- 13. channels ova from the ovary to the uterus
- 15. supports the anther
- 17. channels sperms and urine
- 18. Control all the cell activities of the cell
- 19. place where embryo implants and develops
- 20. the arrangement of the particles is very close
Down
- 1. Consists of two or more elements that are combined chemically
- 2. fusion between sperm and ovum
- 4. Only plant cell has this structure
- 5. Si unit for electric current
- 6. Supplies food and oxygen to the embryo
- 7. maintenance of internal environment of the body
- 8. anything that has mass and occupies space
- 9. the shedding of the lining of the uterine wall and blood discharge
- 11. contains female gamete
- 14. sulphide iron + suplhur
- 16. Protects the flower during bud stage