Question detail

Why is it important to control water and ion levels in the body?

Try the question, check the answer, then read the explanation to understand the curriculum point.

At a glance

MCQ

Type

practice

Style

Topic

Hormonal coordination in humans

Question

  1. A. To prevent dehydration and maintain cell function
  2. B. To increase blood pressure
  3. C. To enhance muscle growth
  4. D. To improve digestion

Answer

To prevent dehydration and maintain cell function

Explanation

Controlling water and ion levels is crucial to prevent dehydration, which can disrupt cellular functions and overall homeostasis.

Common mistake

Misunderstanding Sweat Composition

Students often think that sweat is primarily composed of water and does not contain ions or urea.

Emphasize that sweat contains not only water but also ions (like sodium and potassium) and urea, which are lost during sweating.

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Describe Water Ions And Urea Loss From The Skin In Sweat Mcq 3 | AQA GCSE Biology Question detail | ExamCompanion