3461678
Descripción
Test por juliacorbett, actualizado hace más de 1 año
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Creado por juliacorbett
hace más de 9 años
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Pregunta 1
Pregunta
What is thermoregulation?
Respuesta
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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
Pregunta 2
Pregunta
Which part of the brain controls temperature?
Respuesta
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Cortex
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Hypothalamus
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Cerebellum
Pregunta 3
Pregunta
How does the brain sense the skin temperature?
Respuesta
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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
Pregunta 4
Pregunta
How does hair on the skin surface keep us cool?
Respuesta
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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
Pregunta 5
Pregunta
How does sweat keep us cool?
Respuesta
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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
Pregunta 6
Pregunta
What is vasodilation?
Respuesta
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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
Pregunta 7
Pregunta
What is the effect of vasoconstriction?
Respuesta
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More heat is lost
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Less heat is lost
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No heat is lost
Pregunta 8
Pregunta
What is the process called when the body makes small changes to return the temperature to normal?
Respuesta
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Positive feedback
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Regulation
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Negative feedback
Pregunta 9
Pregunta
Why do we go pink when we are hot?
Respuesta
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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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