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Learning objective

Explain (HT only) how vasodilation and sweating help lower body temperature.

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

Explain (HT only) how vasodilation and sweating help lower body temperature

  • This point belongs to The human nervous system, especially Control of body temperature (biology only).
  • You need to be able to explain (HT only) how vasodilation and sweating help lower body temperature.
  • The key ideas to know are sweating, vasodilation, 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

sweatingvasodilationbody temperatureHT only

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

How do you explain (HT only) how vasodilation and sweating help lower body temperature?

Direct answer

In Biology, this page helps you answer questions about (HT only) how vasodilation and sweating help lower body temperature 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 by which the body releases moisture through sweat glands, which cools the body as the sweat evaporates from the skin surface.

Common trap

Misunderstanding Vasodilation: Remember that vasodilation involves the widening of blood vessels, which increases blood flow to the skin, allowing heat to escape and thus lowering body temperature.

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