(ii)
Use the information in the box to explain your answer to (i).
carbon dioxide + water
aerobic respiration
glucose + oxygen
anaerobic respiration
glucose
lactic acid
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(2)
(Total 13 marks)
2.
A young athlete trains and this makes her heart work harder. The table shows part of her
training record.
Time measured in weeks
0
8
16
24
32
40
from the start of training
Resting pulse rate measured
75
69
66
63
61
60
in pulses per minute
(i)
Give two changes to her heart resulting from this training.
1 ..................................................................................................................................
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2 ..................................................................................................................................
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(2)
West Bridgford School
3