3461678
Beschreibung
Quiz von juliacorbett, aktualisiert more than 1 year ago
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Erstellt von juliacorbett
vor mehr als 9 Jahre
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Frage 1
Frage
What is thermoregulation?
Antworten
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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
Frage 2
Frage
Which part of the brain controls temperature?
Antworten
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Cortex
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Hypothalamus
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Cerebellum
Frage 3
Frage
How does the brain sense the skin temperature?
Antworten
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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
Frage 4
Frage
How does hair on the skin surface keep us cool?
Antworten
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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
Frage 5
Frage
How does sweat keep us cool?
Antworten
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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
Frage 6
Frage
What is vasodilation?
Antworten
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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
Frage 7
Frage
What is the effect of vasoconstriction?
Antworten
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More heat is lost
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Less heat is lost
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No heat is lost
Frage 8
Frage
What is the process called when the body makes small changes to return the temperature to normal?
Antworten
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Positive feedback
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Regulation
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Negative feedback
Frage 9
Frage
Why do we go pink when we are hot?
Antworten
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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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