Organism-Level Systems

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Across
  1. 3. The part of the nephron where ultrafiltration takes place (S)
  2. 7. An endocrine horomone that maintains the uterus lining
  3. 10. A type of neurone that carries electrical impulses from between different types of neurones. Found in the spinal cord
  4. 13. The growth of plants in the direction of gravity (S)
  5. 17. A section of a neurone that carries electrical impulses away from the cell body
  6. 18. The part of the brain that controls involuntary movements (S)
  7. 19. The process by which blood vessels widen to increase blood flow through the capillaries (S)
  8. 21. A technique that involves the fertilisation of egg cells outside of the womb (3 words) (H)
  9. 23. The part of the brain that controls automatic actions (S)
  10. 26. Photoreceptors that respond to light intensity
  11. 28. The glands that produce oestrogen and progesterone
  12. 30. All of the neurones that connect the CNS to the rest of the body (3 words) (S)
  13. 32. The part of the eye that refracts light and protects the eye
  14. 33. The gland that produces adrenaline
  15. 35. The release of an egg cell from the ovaries
  16. 36. The hole in the eye that allows light to enter
  17. 37. A type of control used in homeostasis that reverses changes in internal conditions detected by receptors (H)
  18. 39. LH (2 words)
  19. 41. A collection of tubules within the kidneys that controls the balance of salts, sugars and water in the blood (S)
  20. 42. CNS (3 words)
  21. 45. A non-hormonal form of contraception that releases copper into the uterus and fallopian tubes
  22. 46. A hormone released by plants that stimulates the conversion of starch to sugar (S)
  23. 47. An response generated from the nervous system that does not involve the brain
Down
  1. 1. The part of the brain that controls complex behaviour (S)
  2. 2. The narrowing of blood vessels to decrease blood flow to the capillaries (S)
  3. 4. A group of cells that can detect a stimulus
  4. 5. The growth of plants in the direction of light (S)
  5. 6. The part of the brain that stores and releases hormones that regulate body functions (2 words) (S)
  6. 8. Hormones released by plants that promote growth and cell elongation (S)
  7. 9. The part of the brain that regulates temperature and water balance (S)
  8. 11. The process by which the body maintains internal conditions to keep them constant
  9. 12. FSH (3 words)
  10. 14. A hormone released when blood glucose levels are too high
  11. 15. The collection of photoreceptors found at the back of the eye that generate electrical impulses
  12. 16. A hormone released by plants that allows them to grow positively or negatively in response to a stimulus (S)
  13. 20. A condition where blood glucose levels cannot be controlled properly with insulin
  14. 22. A type of neurone that carries electrical impulses to effectors
  15. 24. Muscles or glands that give a response to a stimulus
  16. 25. A type of response that is produced from the brain after it receives information from different types of receptors
  17. 27. A type of neurone that carries electrical impusles generated from a receptor cell
  18. 28. An endocrine hormone that builds up the uterus lining
  19. 29. A knot of capillaries that branches out of the renal artery (S)
  20. 31. Photoreceptors that respond to different wavelengths of light
  21. 34. A hormone released from the body when you feel scared or threatened (H)
  22. 36. the gland that produces insulin
  23. 38. A section of a neurone that carries electrical impulses to the cell body
  24. 40. A hormone released when blood glucose levels are too slow
  25. 43. A change in the environment that can be detected
  26. 44. A hormone that controls metabolic rates (H)