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2.2 Animal tissues, organs and organ systems

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Question 19
F

Haemoglobin combines with oxygen in the lungs to form oxyhaemoglobin. Which statement explains why oxygen is released again in a respiring muscle?

[1]
A

The muscle contains a higher concentration of oxygen than the blood

B

The muscle contains a lower concentration of oxygen than the blood

C

The muscle contains a higher concentration of glucose than the blood

D

The muscle contains a lower concentration of glucose than the blood

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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