Question 1
Learning objective
Describe vasodilation and sweating as responses when body temperature is too high.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
The human nervous system
Subtopic
Control of body temperature (biology only)
Aqa Gcse BiologyHomeostasis and response
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Quick explanation
Describe vasodilation and sweating as responses when body temperature is too high
- This point belongs to The human nervous system, especially Control of body temperature (biology only).
- You need to be able to describe vasodilation and sweating as responses when body temperature is too high.
- The key ideas to know are vasodilation, sweating, and body temperature.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
vasodilationsweatingbody temperature
Why it matters
This objective helps connect Control of body temperature (biology only) to exam-style questions, flashcards, and revision notes for The human nervous system.
Quick student answer
What are vasodilation and sweating?
Direct answer
In Biology, this page helps you answer questions about vasodilation and sweating within The human nervous system. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are vasodilation and sweating.
Key terms
- vasodilation: The widening of blood vessels, which increases blood flow to the skin and helps to dissipate heat when body temperature is too high.
- sweating: The process of producing moisture on the skin's surface, which cools the body through evaporation when body temperature rises.
Common trap
Misunderstanding Vasodilation: Remember that vasodilation is the widening of blood vessels, which increases blood flow to the skin and helps release heat when body temperature is too high.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Describe the nervous system as a system that enables humans to react to their surroundings and coordinate behaviour.
Structure and function
- Describe the pathway in which receptor cells detect stimuli, sensory neurones carry impulses to the CNS, the CNS coordinates a response and motor neurones carry impulses to effectors.
Structure and function
- Explain that the brain and spinal cord form the central nervous system.
Structure and function
- Describe muscles and glands as effectors that bring about responses, with muscles contracting and glands secreting hormones.
Structure and function
- Explain why reflex actions are automatic and rapid protective responses that do not require conscious thought.
Structure and function