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08/14/20
Controlling body temperature 14
Body temperature is controlled by the thermo-regulatory centre in the
________. It is kept at 370C as this is the best temperature for
__________ to work in. If the body becomes too hot then blood
vessels _________ and sweat glands release ________. If the body is
too ______ then blood vessels constrict, the hair on our skin stick up to
trap ________ and muscles start to __________.
Words ­ sweat, enzymes, cold, dilate, shiver, brain, heat…read more

Slide 3

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08/14/20
14
Blood vessels to
Temperature too
skin capillaries
high
dilate
Temperature of blood increases
Blood vessels to Sweat
Temperature too
skin capillaries secreted
low
constrict
Thermoregulatory
centre in the brain
monitors temperature Shivering
Temperature of blood decreases…read more

Slide 4

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08/14/20
14
Thermoregulatory
centre in the brain
monitors temperature
Temperature too Temperature too
high low
Blood vessels to Blood vessels to
Sweat
skin capillaries skin capillaries Shivering
secreted
dilate constrict
Temperature of blood decreases Temperature of blood increases…read more

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