3461678
Description
Quiz by juliacorbett, updated more than 1 year ago
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Created by juliacorbett
about 9 years ago
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Question 1
Question
What is thermoregulation?
Answer
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Control of body temperature
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Control of water in the body
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Control of glucose in the body
Question 2
Question
Which part of the brain controls temperature?
Answer
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Cortex
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Hypothalamus
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Cerebellum
Question 3
Question
How does the brain sense the skin temperature?
Answer
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Receptor cells in the dermis
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Hair on the skin surface
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Levels of sweat are picked up
Question 4
Question
How does hair on the skin surface keep us cool?
Answer
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It acts like a woolly jumper
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Hair only keeps us warm
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Lays flat so that a layer of air isn't trapped
Question 5
Question
How does sweat keep us cool?
Answer
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Sweat is cool so cools us down
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As sweat evaporates it takes heat with it
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We don't sweat when we are hot
Question 6
Question
What is vasodilation?
Answer
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Blood vessels near the surface widen
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Blood vessels near the surface narrow
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Blood vessels move
Question 7
Question
What is the effect of vasoconstriction?
Answer
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More heat is lost
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Less heat is lost
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No heat is lost
Question 8
Question
What is the process called when the body makes small changes to return the temperature to normal?
Answer
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Positive feedback
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Regulation
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Negative feedback
Question 9
Question
Why do we go pink when we are hot?
Answer
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Blood vessels near the skin have widened
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Blood vessels near the skin have narrowed
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We are bleeding
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