Thermoregulation (Edexcel GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the typical internal body temperature maintained by thermoregulation?
What is the typical internal body temperature maintained by thermoregulation?
37°C
Where is the thermoregulatory centre located in the body?
Where is the thermoregulatory centre located in the body?
In the hypothalamus
What happens to enzymes when body temperature rises above 37°C?
What happens to enzymes when body temperature rises above 37°C?
They denature
What happens to enzymes when body temperature drops below 37°C?
What happens to enzymes when body temperature drops below 37°C?
They slow down
How does shivering generate heat to warm the body?
How does shivering generate heat to warm the body?
By energy released from respiration
What is vasoconstriction?
What is vasoconstriction?
Narrowing of blood vessels in the skin
What is vasodilation?
What is vasodilation?
Widening of blood vessels
What type of mechanism is thermoregulation?
What type of mechanism is thermoregulation?
Negative feedback
Where is sweat produced and released from?
Where is sweat produced and released from?
Made in dermis, released via pores
Why does skin look redder when someone feels too hot?
Why does skin look redder when someone feels too hot?
Vasodilation increases blood flow