Skip to content

Course home

Sign up

7.1 Hormones and coordination

EasyMediumHard
123456789101112131415161718192021222324252627282930313233
Question 17
H

A person's concentration of thyroxine in the blood falls below normal.

Explain how the body returns the concentration of thyroxine to normal and then stops it rising too high.

[6]
Markscheme

7.1 Hormones and coordination Questions

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

42 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.

Question bank