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8.2 Blood and circulation

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Question 8

Blood flowing away from an endocrine gland contains several dissolved substances.

Which of these substances has been released by the gland and is carried in the plasma to a target organ?

[1]
A

an amino acid

B

a hormone

C

oxygen

D

urea

Markscheme

8.2 Blood and circulation Questions

  1. GCSE
  2. /Biology
  3. /8.2 Blood and circulation

67 exam-style questions on Edexcel GCSE Biology 8.2 Blood and circulation, covering 8.2.1 Structure and function of the blood, 8.2.2 Structure of blood vessels, 8.2.3 Structure of the heart and circulatory system, and 8.2.4 Cardiac output. Each one has a worked solution and a mark scheme showing where the marks go.

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