Science

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