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How the body warms up and cools down

10th grade (Year 11 in England) · 16 questions · Common Core: NGSS.HS-LS1-3 · England: GCSE Biology: Homeostasis and response (control of body temperature)

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Score/ 16

1
Question 1
Temperature control: which statement is NOT true?
- A. Normal human body temperature is about 37 °C.
- B. The hypothalamus contains the thermoregulatory centre.
- C. Shivering cools the body down.
- D. Vasoconstriction reduces heat loss from the skin.
2
Question 2
When does this happen: sweating?
- A. response when too hot
- B. response when too cold
3
Question 3
Which part of the brain monitors blood temperature?
- A. the thermoregulatory centre (hypothalamus)
- B. the cerebellum
- C. the spinal cord
- D. the retina
4
Question 4
Temperature control: which statement is NOT true?
- A. Shivering cools the body down.
- B. Normal human body temperature is about 37 °C.
- C. Vasoconstriction reduces heat loss from the skin.
- D. Sweating cools the body when the sweat evaporates.
5
Question 5
When does this happen: vasodilation: blood vessels near the skin widen?
- A. response when too hot
- B. response when too cold
6
Question 6
Which part of the brain monitors blood temperature?
- A. the thermoregulatory centre (hypothalamus)
- B. the retina
- C. the cerebellum
- D. the spinal cord
7
Question 7
Temperature control: which statement is NOT true?
- A. Blood vessels move closer to the skin when you are hot.
- B. The hypothalamus contains the thermoregulatory centre.
- C. Vasoconstriction reduces heat loss from the skin.
- D. Normal human body temperature is about 37 °C.
8
Question 8
When does this happen: vasoconstriction: blood vessels near the skin narrow?
- A. response when too hot
- B. response when too cold
9
Question 9
A student writes "blood vessels move closer to the skin when you are hot". What is the correct idea?
- A. Vessels shrink and move deeper
- B. Vessels near the skin widen, so more blood flows near the surface
- C. Blood stops flowing to the skin
- D. The skin moves towards the vessels
10
Question 10
Temperature control: which statement is NOT true?
- A. Blood vessels move closer to the skin when you are hot.
- B. The hypothalamus contains the thermoregulatory centre.
- C. Normal human body temperature is about 37 °C.
- D. Vasoconstriction reduces heat loss from the skin.
11
Question 11
When does this happen: hairs lie flat?
- A. response when too hot
- B. response when too cold
12
Question 12
A student writes "blood vessels move closer to the skin when you are hot". What is the correct idea?
- A. Vessels near the skin widen, so more blood flows near the surface
- B. The skin moves towards the vessels
- C. Blood stops flowing to the skin
- D. Vessels shrink and move deeper
13
Question 13
Temperature control: which statement is NOT true?
- A. Vasoconstriction reduces heat loss from the skin.
- B. Body temperature control uses hormones only.
- C. The hypothalamus contains the thermoregulatory centre.
- D. Normal human body temperature is about 37 °C.
14
Question 14
When does this happen: sweating?
- A. response when too hot
- B. response when too cold
15
Question 15
How does sweating cool you down?
- A. Sweat is cold when it is made
- B. Evaporating sweat transfers energy away from the skin
- C. Sweat blocks the Sun
- D. Sweat makes blood vessels move
16
Question 16
Temperature control: which statement is NOT true?
- A. Body temperature control uses hormones only.
- B. Sweating cools the body when the sweat evaporates.
- C. The hypothalamus contains the thermoregulatory centre.
- D. Vasoconstriction reduces heat loss from the skin.

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