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Contrast the mechanisms of nervous and hormonal control, focusing on the speed of response and the duration of effects.

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Cambridge IGCSE BiologyCoordination and responseCore content

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Contrast the mechanisms of nervous and hormonal control, focusing on the speed of response and the duration of effects

  • This point belongs to Hormones, especially Hormones outcomes.
  • You need to be able to contrast the mechanisms of nervous and hormonal control, focusing on the speed of response and the duration of effects.
  • The key ideas to know are Compare.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

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Compare

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This objective helps connect Hormones outcomes to exam-style questions, flashcards, and revision notes for Hormones.

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Paper 3 structured question: Hormones

Paper 3Theory (Core)2 marks

Description

Control Systems

The nervous system sends electrical impulses rapidly to specific parts of the body, causing quick and short-lived responses. The hormonal system releases hormones into the blood, which travel more slowly but cause longer-lasting effects.

  1. a

    Compare the speed of response of the nervous system with that of the hormonal system.

    Aim for approximately 2 distinct marking points.

    [2]
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