Correct answer choice is :
2) EPOC
Explanation:
The additional oxygen one gets while still breathing hard after finishing the exercise. While exercising, lactic acid forms up after the saved glycogen in your tissues are used up. It makes up in your tissues. It is what makes your tissues burn. Its development is what makes your tissues tire and give out.
A. help keep joints flexible
Muscular system because your muscles allow for your body to move
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