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During exercise, the heart rate increases to: A. Supply more oxygen and glucose to the respiring cells.

B. Supply more lactic acid to the muscles for anaerobic respiration.
C. None of these
D. Keep up with the pulse rate.​

2 Answers

13 votes
I believe it is A i hope this helps
User Yogesh Agrawal
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9 votes
it’s d I did this today it’s d because it’s d
User Weima
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