Form 3 Biology Review

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Across
  1. 1. Stage when reproductive organs mature
  2. 5. Process by which green plants make food
  3. 7. Mature ovary of a flower
  4. 10. Flowering plants that produce seeds in fruits
  5. 11. Organs that excrete carbon dioxide
  6. 13. Any change that causes a response
  7. 14. cord Part of the central nervous system
  8. 15. Ability of an organism to respond to stimuli
  9. 16. Organ that carries out a response
  10. 18. Quick automatic response to a stimulus
  11. 19. Male reproductive part of a flower
  12. 21. Part of carpel that receives pollen
  13. 23. Plants with two seed leaves
  14. 25. Nerve cell that carries messages
  15. 26. neuron Neuron that carries signals from receptors
  16. 28. Main nitrogenous waste in humans
  17. 30. Fusion of male and female gametes
  18. 33. Part of the flower that contains ovules
  19. 37. Chemical messenger in the body
  20. 38. Liquid waste excreted by the kidneys
  21. 39. Structure that detects stimuli
  22. 41. Organelle where photosynthesis occurs
  23. 43. Fertilized ovule that can grow into a plant
  24. 45. Part of stamen that produces pollen
  25. 46. Hormone that lowers blood sugar
  26. 47. Tissue that transports water in plants
  27. 48. Main organ for excretion in humans
Down
  1. 2. Tube that carries urine out of the body
  2. 3. Plants that produce seeds in cones
  3. 4. Gap between two neurons
  4. 6. Loss of water from plant leaves
  5. 8. Transfer of pollen from anther to stigma
  6. 9. Functional unit of the kidney
  7. 12. Connects stigma to ovary
  8. 15. dioxide Gas excreted by the lungs
  9. 17. Reaction to a stimulus
  10. 20. Gland system that makes hormones
  11. 22. Monthly shedding of uterine lining
  12. 24. Removal of waste products from the body
  13. 26. Organ that excretes sweat and salts
  14. 27. Liquid waste removed through the skin
  15. 29. Plants with one seed leaf
  16. 31. Tube that carries urine from kidney to bladder
  17. 32. Seed-producing plants without flowers
  18. 34. Female reproductive part of a flower
  19. 35. Release of an egg from the ovary
  20. 36. neuron Neuron that sends messages to muscles
  21. 40. Main control center of the body
  22. 42. Hormone that prepares the body for action
  23. 44. Tissue that transports food in plants