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Homeostasis Flashcards

(3 cards)

1
Q

Three structures involved in sweating

A
  • hair
  • sweat glands
  • capillaries
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2
Q

Changes that occur in hair + capillaries if in a cold environment

A
  • vasoconstriction
  • less blood to skin (surface)
  • hair erects
  • contraction of (erector) muscle
  • traps air
  • less heat loss
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3
Q

Why do we need to keep body temperature constant

A
  • optimum pH
  • for enzymes

(So they won’t denature)

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