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2.2 Animal tissues, organs and organ systems

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Question 3
F75%

Which sequence shows the path taken by an oxygen molecule from the throat until it reaches the blood?

[1]
A

trachea, then alveoli, then bronchi, then capillaries

B

bronchi, then trachea, then alveoli, then capillaries

C

trachea, then bronchi, then alveoli, then capillaries

D

bronchi, then alveoli, then trachea, then capillaries

Markscheme

2.2 Animal tissues, organs and organ systems Questions

  1. GCSE
  2. /Biology
  3. /2.2 Animal tissues, organs and organ systems

179 exam-style questions on AQA GCSE Biology 2.2 Animal tissues, organs and organ systems, covering 2.2.1 The human digestive system, 2.2.2 The heart and blood vessels, 2.2.3 Blood, 2.2.4 Coronary heart disease: a non-communicable disease, 2.2.5 Health issues, 2.2.6 The effect of lifestyle on some non-communicable diseases, and 2.2.7 Cancer. Each one has a worked solution and a mark scheme showing where the marks go.

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