Thermoregulation

Descrição

A quiz on thermoregulation
juliacorbett
Quiz por juliacorbett, atualizado more than 1 year ago
juliacorbett
Criado por juliacorbett aproximadamente 9 anos atrás
766
2

Resumo de Recurso

Questão 1

Questão
What is thermoregulation?
Responda
  • Control of body temperature
  • Control of water in the body
  • Control of glucose in the body

Questão 2

Questão
Which part of the brain controls temperature?
Responda
  • Cortex
  • Hypothalamus
  • Cerebellum

Questão 3

Questão
How does the brain sense the skin temperature?
Responda
  • Receptor cells in the dermis
  • Hair on the skin surface
  • Levels of sweat are picked up

Questão 4

Questão
How does hair on the skin surface keep us cool?
Responda
  • It acts like a woolly jumper
  • Hair only keeps us warm
  • Lays flat so that a layer of air isn't trapped

Questão 5

Questão
How does sweat keep us cool?
Responda
  • Sweat is cool so cools us down
  • As sweat evaporates it takes heat with it
  • We don't sweat when we are hot

Questão 6

Questão
What is vasodilation?
Responda
  • Blood vessels near the surface widen
  • Blood vessels near the surface narrow
  • Blood vessels move

Questão 7

Questão
What is the effect of vasoconstriction?
Responda
  • More heat is lost
  • Less heat is lost
  • No heat is lost

Questão 8

Questão
What is the process called when the body makes small changes to return the temperature to normal?
Responda
  • Positive feedback
  • Regulation
  • Negative feedback

Questão 9

Questão
Why do we go pink when we are hot?
Responda
  • Blood vessels near the skin have widened
  • Blood vessels near the skin have narrowed
  • We are bleeding

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