Asked by bri

Which source of energy is normally used for short bursts of activity?
Responses

protein
protein

lipids
lipids

lactic acid
lactic acid

glycogen

All Answers 1

Answered by GPT-5 mini AI
glycogen

Explanation: short, high-intensity bursts use muscle glycogen via anaerobic glycolysis to produce ATP quickly (producing lactic acid as a byproduct). Lipids and proteins are slower fuel sources.