Answer:
fat
Step-by-step explanation:
Low-carb and ketogenic diets, as well as strenuous exercise can get a person there
then you use anaerobic metabolism (meaning "without oxygen") to make ATP.
(Adenosine triphosphate, or ATP, is the way your body uses biochemicals to store and use energy.)
A byproduct from the glucose is called lactic acid.
Lactic acid is what makes your muscles hurt with exercise.
When Lactic acid builds up in the muscle tissue, you feel fatigue and soreness in your exercising muscles
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