Question 1
Learning objective
Explain (HT only) how ADH controls the permeability of kidney tubules to water.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Hormonal coordination in humans
Subtopic
Maintaining water and nitrogen balance in the body (biology only)
Aqa Gcse BiologyHomeostasis and response
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Quick explanation
Explain (HT only) how ADH controls the permeability of kidney tubules to water
- This point belongs to Hormonal coordination in humans, especially Maintaining water and nitrogen balance in the body (biology only).
- You need to be able to explain (HT only) how ADH controls the permeability of kidney tubules to water.
- The key ideas to know are HT only and ADH.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
HT onlyADH
Why it matters
This objective helps connect Maintaining water and nitrogen balance in the body (biology only) to exam-style questions, flashcards, and revision notes for Hormonal coordination in humans.
Quick student answer
How do you explain (HT only) how ADH controls the permeability of kidney tubules to water?
Direct answer
In Biology, this page helps you answer questions about (HT only) how ADH controls the permeability of kidney tubules to water within Hormonal coordination in humans. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are ADH and permeability.
Key terms
- ADH: Antidiuretic hormone (ADH) is a hormone that regulates water balance in the body by controlling the permeability of kidney tubules.
- permeability: Permeability refers to the ability of kidney tubules to allow water to pass through, which is influenced by the presence of ADH.
Common trap
Misunderstanding ADH Function: Focus on understanding that ADH acts on the kidney tubules to increase their permeability to water, allowing more water to be reabsorbed back into the bloodstream, rather than directly increasing water levels.
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Revision notestopic notes
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Open revision notesRelated learning objectives
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- Describe the pituitary gland as a master gland that secretes several hormones into the blood.
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- Explain that pituitary hormones act on other glands to stimulate the release of other hormones.
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