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7.1 Hormones and coordination

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Question 5

A museum visitor sees smoke and runs towards an emergency exit. The adrenal glands release adrenaline into the blood. The visitor's heart rate and blood pressure are compared with their values before the smoke was seen.

Which statement describes the changes caused by adrenaline?

[1]
A

Heart rate decreases and blood pressure decreases.

B

Heart rate increases and blood pressure decreases.

C

Heart rate decreases and blood pressure increases.

D

Heart rate increases and blood pressure increases.

Markscheme

7.1 Hormones and coordination Questions

  1. GCSE
  2. /Biology
  3. /7.1 Hormones and coordination

89 exam-style questions on Edexcel GCSE Biology 7.1 Hormones and coordination, covering 7.1.1 Endocrine glands and hormone transport, 7.1.2 Adrenalin and fight or flight, and 7.1.3 Thyroxine and negative feedback. Each one has a worked solution and a mark scheme showing where the marks go.

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