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Answered

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


stretch

lift weights

breathe

perspire

Verified Answer :

Kalahira

If your heart is weak and inefficient it can struggle to pump blood to
the muscles being used. Without this blood oxygen cannot be delivered to
the muscles hence the exercises become very difficult. This is why it
is important to look after your heart, and ensure it is healthy before
undertaking strenuous exercise.

Answer:

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

Explanation:

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