Question
WJEC Unit 2 Biology — Higher tier
A student records their breathing rate at rest and after running for two minutes.
(a) Describe how breathing rate and depth change after exercise. (2 marks) (b) Explain why these changes occur. (3 marks)
5 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.