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If your heart is not strong enough or efficient enough, it is difficult to

A lift weights
B breathe
C stretch
D perspire

User Skadoosh
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2 Answers

3 votes
answer A. and C.

you need blood flow to make you stronger
User Beverly
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3 votes
If your heart isn't efficient,or not strong enough, you will have difficulty breathing.
User Ondrej Sotolar
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