asked 62.2k views
4 votes
Which component of exercise primarily strengthens your heart

Flexibility
Strength training
Cardio
Resistance training

2 Answers

3 votes
Cardio exercise strengthens your heart
answered
User Skullkey
by
8.7k points
3 votes
Cardio exercise primarily strengthens your heart
answered
User Pron
by
7.8k points
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