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Homeostasis and thermoregulation: Edexcel GCSE Biology questions

Every Edexcel GCSE Biology exam question on Homeostasis and thermoregulation (specification points 7.9–7.12), 2018–2025, with its mark scheme and examiner’s report.

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1,834 questions

  1. Q3(a)(i)

    June 2025 · Paper 2 Foundation

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 3(a)(i): Explain how the action of the hair erector muscle helps to keep the body warm. (2)

  2. Q3(a)(ii)

    June 2025 · Paper 2 Foundation

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 3(a)(ii): Explain how sweating decreases body temperature. (2)

  3. Q3(b)

    June 2025 · Paper 2 Foundation

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 3(b): A scientist investigated the air temperature at which women start to shiver. The scientist recorded the air temperature at which a 40‑year‑old woman started to

  4. Q3(c)(i)

    June 2025 · Paper 2 Foundation

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2025 Paper 2 Foundation, question 3(c)(i): State the optimum body temperature as shown in Figure 4. (1) °C

  5. Q4(a)(i)

    June 2023 · Paper 2 Higher

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Higher, question 4(a)(i): Which part of the body controls the regulation of body temperature? (1) A kidney B pituitary gland C hypothalamus D pancreas

  6. Q4(a)(ii)

    June 2023 · Paper 2 Higher

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Higher, question 4(a)(ii): State one variable that should be controlled in this investigation. (1)

  7. Q4(a)(iii)

    June 2023 · Paper 2 Higher

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Higher, question 4(a)(iii): Describe a control that could be used for this investigation. (2)

  8. Q4(b)(i)

    June 2023 · Paper 2 Higher

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Higher, question 4(b)(i): Compare and contrast the temperature changes for wool and polyester in this investigation. (2)

  9. Q4(b)(ii)

    June 2023 · Paper 2 Higher

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Higher, question 4(b)(ii): State one improvement to this investigation that would make the results more comparable. (1)

  10. Q4(c)(i)

    June 2023 · Paper 2 Higher

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Higher, question 4(c)(i): Wearing an insulated jacket may cause a person to sweat. Explain how sweating helps to regulate temperature in humans. (2)

  11. Q10(a)(i)

    June 2023 · Paper 2 Foundation

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 10(a)(i): Which part of the body controls the regulation of body temperature? (1) A kidney B pituitary gland C hypothalamus D pancreas

  12. Q10(a)(ii)

    June 2023 · Paper 2 Foundation

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 10(a)(ii): State one variable that should be controlled in this investigation. (1)

  13. Q10(a)(iii)

    June 2023 · Paper 2 Foundation

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 10(a)(iii): Describe a control that could be used for this investigation. (2)

  14. Q10(b)(i)

    June 2023 · Paper 2 Foundation

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 10(b)(i): Compare and contrast the temperature changes for wool and polyester in this investigation. (2)

  15. Q10(b)(ii)

    June 2023 · Paper 2 Foundation

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 10(b)(ii): State one improvement to this investigation that would make the results more comparable. (1)

  16. Q10(c)(i)

    June 2023 · Paper 2 Foundation

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 10(c)(i): Wearing an insulated jacket may cause a person to sweat. Explain how sweating helps to regulate temperature in humans. (2)

  17. Q10(a)

    June 2022 · Paper 2 Higher

    3 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2022 Paper 2 Higher, question 10(a): When training, an athlete noticed some types of T‑shirts became wetter and heavier due to sweating. This athlete has three T‑shirts, each made of a different ma

  18. Q3(a)(i)

    June 2022 · Paper 2 Foundation

    1 markHomeostasis and thermoregulation
    The whole paper ↗
    June 2022 Paper 2 Foundation, question 3(a)(i): Which is the correct term for maintaining a constant internal environment? (1) A excretion B homeostasis C respiration D sweating

  19. Q3(a)(ii)

    June 2022 · Paper 2 Foundation

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2022 Paper 2 Foundation, question 3(a)(ii): Explain how structures X and Y help to regulate body temperature when the body is too cold. (2)

  20. Q3(a)(iii)

    June 2022 · Paper 2 Foundation

    2 marksHomeostasis and thermoregulation
    The whole paper ↗
    June 2022 Paper 2 Foundation, question 3(a)(iii): Explain how shivering can help a person regulate their body temperature. (2)
All 48 questions on Homeostasis and thermoregulation, as a list
  1. June 2025, Paper 2 Foundation, Q3(a)(i) (2 marks): Explain how the action of the hair erector muscle helps to keep the body warm. (2)
  2. June 2025, Paper 2 Foundation, Q3(a)(ii) (2 marks): Explain how sweating decreases body temperature. (2)
  3. June 2025, Paper 2 Foundation, Q3(b) (1 mark): A scientist investigated the air temperature at which women start to shiver. The scientist recorded the air temperature at which a 40‑year‑old woman started to
  4. June 2025, Paper 2 Foundation, Q3(c)(i) (1 mark): State the optimum body temperature as shown in Figure 4. (1) °C
  5. June 2023, Paper 2 Higher, Q4(a)(i) (1 mark): Which part of the body controls the regulation of body temperature? (1) A kidney B pituitary gland C hypothalamus D pancreas
  6. June 2023, Paper 2 Higher, Q4(a)(ii) (1 mark): State one variable that should be controlled in this investigation. (1)
  7. June 2023, Paper 2 Higher, Q4(a)(iii) (2 marks): Describe a control that could be used for this investigation. (2)
  8. June 2023, Paper 2 Higher, Q4(b)(i) (2 marks): Compare and contrast the temperature changes for wool and polyester in this investigation. (2)
  9. June 2023, Paper 2 Higher, Q4(b)(ii) (1 mark): State one improvement to this investigation that would make the results more comparable. (1)
  10. June 2023, Paper 2 Higher, Q4(c)(i) (2 marks): Wearing an insulated jacket may cause a person to sweat. Explain how sweating helps to regulate temperature in humans. (2)
  11. June 2023, Paper 2 Foundation, Q10(a)(i) (1 mark): Which part of the body controls the regulation of body temperature? (1) A kidney B pituitary gland C hypothalamus D pancreas
  12. June 2023, Paper 2 Foundation, Q10(a)(ii) (1 mark): State one variable that should be controlled in this investigation. (1)
  13. June 2023, Paper 2 Foundation, Q10(a)(iii) (2 marks): Describe a control that could be used for this investigation. (2)
  14. June 2023, Paper 2 Foundation, Q10(b)(i) (2 marks): Compare and contrast the temperature changes for wool and polyester in this investigation. (2)
  15. June 2023, Paper 2 Foundation, Q10(b)(ii) (1 mark): State one improvement to this investigation that would make the results more comparable. (1)
  16. June 2023, Paper 2 Foundation, Q10(c)(i) (2 marks): Wearing an insulated jacket may cause a person to sweat. Explain how sweating helps to regulate temperature in humans. (2)
  17. June 2022, Paper 2 Higher, Q10(a) (3 marks): When training, an athlete noticed some types of T‑shirts became wetter and heavier due to sweating. This athlete has three T‑shirts, each made of a different ma
  18. June 2022, Paper 2 Foundation, Q3(a)(i) (1 mark): Which is the correct term for maintaining a constant internal environment? (1) A excretion B homeostasis C respiration D sweating
  19. June 2022, Paper 2 Foundation, Q3(a)(ii) (2 marks): Explain how structures X and Y help to regulate body temperature when the body is too cold. (2)
  20. June 2022, Paper 2 Foundation, Q3(a)(iii) (2 marks): Explain how shivering can help a person regulate their body temperature. (2)
  21. June 2022, Paper 2 Foundation, Q3(b)(i) (1 mark): State this person’s highest body temperature. (1)
  22. June 2022, Paper 2 Foundation, Q3(b)(ii) (3 marks): Explain the change in body temperature from 0 hours to 4 hours. (3)
  23. November 2020, Paper 2 Foundation, Q7(b)(i) (1 mark): Which part of the brain controls body temperature? (1) A cerebral hemispheres B medulla oblongata C cerebellum D hypothalamus
  24. November 2020, Paper 2 Foundation, Q7(b)(ii) (6 marks): Figure 17 shows a diagram of the skin. surface hair of skin muscle nerve gland capillary Figure 17 Explain how structures in the skin help to reduce body temper
  25. June 2019, Paper 2 Higher, Q4(a) (2 marks): State two variables that would need to be controlled in this investigation. (2) 1 2
  26. June 2019, Paper 2 Higher, Q4(b)(i) (2 marks): Calculate the rate of temperature change in flask 1 from 1 to 8 minutes. (2) °C per minute
  27. June 2019, Paper 2 Higher, Q4(b)(ii) (2 marks): Compare the trends shown in the data for flask 1 and flask 2. (2)
  28. June 2019, Paper 2 Higher, Q4(c) (2 marks): Explain how sweating helps to cool the body. (2)
  29. June 2019, Paper 2 Higher, Q4(d) (1 mark): Which part of the brain controls internal body temperature? (1) A cerebellum B medulla oblongata C hypothalamus D pituitary gland
  30. June 2019, Paper 2 Higher, Q4(e) (2 marks): Explain why it is important to control the internal temperature of the human body. (2)
  31. June 2019, Paper 2 Foundation, Q2(c) (1 mark): What name is given to the process of maintaining the internal body conditions? (1) A respiration B diffusion C digestion D homeostasis
  32. June 2019, Paper 2 Foundation, Q10(a) (2 marks): State two variables that would need to be controlled in this investigation. (2) 1 2
  33. June 2019, Paper 2 Foundation, Q10(b)(i) (2 marks): Calculate the rate of temperature change in flask 1 from 1 to 8 minutes. (2) °C per minute
  34. June 2019, Paper 2 Foundation, Q10(b)(ii) (2 marks): Compare the trends shown in the data for flask 1 and flask 2. (2)
  35. June 2019, Paper 2 Foundation, Q10(c) (2 marks): Explain how sweating helps to cool the body. (2)
  36. June 2019, Paper 2 Foundation, Q10(d) (1 mark): Which part of the brain controls internal body temperature? (1) A cerebellum B medulla oblongata C hypothalamus D pituitary gland
  37. June 2019, Paper 2 Foundation, Q10(e) (2 marks): Explain why it is important to control the internal temperature of the human body. (2)
  38. June 2018, Paper 2 Higher, Q6(a)(i) (1 mark): Describe how the body temperature of the iguana affects its oxygen consumption. (1)
  39. June 2018, Paper 2 Higher, Q6(a)(ii) (3 marks): Explain why the body temperature of the iguana affects its oxygen consumption. (3)
  40. June 2018, Paper 2 Higher, Q6(a)(iii) (2 marks): Iguanas do not have sweat glands. When an iguana is too hot, it pants by opening its mouth to cool down. Explain how this behaviour helps to cool the iguana dow
  41. June 2018, Paper 2 Higher, Q6(b)(i) (1 mark): Where in the human brain is the thermoregulatory centre? (1) A cerebellum B cerebral cortex C hypothalamus D pituitary gland
  42. June 2018, Paper 2 Higher, Q6(b)(ii) (4 marks): Explain the role of vasodilation in thermoregulation. (4)
  43. Specimen, Paper 2 Higher, Q9(a) (1 mark): The name of the process that controls water levels in the body is (1) A diffusion B osmosis C osmoregulation D thermoregulation
  44. Specimen, Paper 2 Foundation, Q4(a) (2 marks): Explain how part A is involved in thermoregulation. (2)
  45. Specimen, Paper 2 Foundation, Q4(b) (1 mark): Which part of the brain contains the thermoregulatory centre? (1) A cerebellum B cerebral cortex C hypothalamus D medulla
  46. Specimen, Paper 2 Foundation, Q4(c)(i) (2 marks): Describe how the internal temperature of the fish changes in response to the external temperature. (2)
  47. Specimen, Paper 2 Foundation, Q4(c)(ii) (2 marks): Explain why it is important that the temperature of the otter is maintained at about 37°C. (2)
  48. Specimen, Paper 2 Foundation, Q4(d) (3 marks): Shivering is one way in which humans can regulate their body temperature. Explain how shivering helps to regulate body temperature. (3)

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