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The basic idea for underlying cardiorespiratory or aerobic training is to place greater demands on the _____ than what’s required during the test

A. heart
B. muscle
C. arteries
D. lungs

2 Answers

5 votes

Answer:

heart

Step-by-step explanation:

User Mtsvetkov
by
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During the test it is your Heart that is being pushed.
User Paata
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