juliacorbett
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A quiz on thermoregulation

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juliacorbett
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Thermoregulation

Thermoregulation

Question 1 of 9

1

What is thermoregulation?

Select one of the following:

  • Control of body temperature

  • Control of water in the body

  • Control of glucose in the body

Explanation

Question 2 of 9

1

Which part of the brain controls temperature?

Select one of the following:

  • Cortex

  • Hypothalamus

  • Cerebellum

Explanation

Question 3 of 9

1

How does the brain sense the skin temperature?

Select one of the following:

  • Receptor cells in the dermis

  • Hair on the skin surface

  • Levels of sweat are picked up

Explanation

Question 4 of 9

1

How does hair on the skin surface keep us cool?

Select one of the following:

  • It acts like a woolly jumper

  • Hair only keeps us warm

  • Lays flat so that a layer of air isn't trapped

Explanation

Question 5 of 9

1

How does sweat keep us cool?

Select one of the following:

  • Sweat is cool so cools us down

  • As sweat evaporates it takes heat with it

  • We don't sweat when we are hot

Explanation

Question 6 of 9

1

What is vasodilation?

Select one of the following:

  • Blood vessels near the surface widen

  • Blood vessels near the surface narrow

  • Blood vessels move

Explanation

Question 7 of 9

1

What is the effect of vasoconstriction?

Select one of the following:

  • More heat is lost

  • Less heat is lost

  • No heat is lost

Explanation

Question 8 of 9

1

What is the process called when the body makes small changes to return the temperature to normal?

Select one of the following:

  • Positive feedback

  • Regulation

  • Negative feedback

Explanation

Question 9 of 9

1

Why do we go pink when we are hot?

Select one of the following:

  • Blood vessels near the skin have widened

  • Blood vessels near the skin have narrowed

  • We are bleeding

Explanation

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