Question

1.why does cellular respiration in muscles that produces lactic acid supply less energy compared to aerobic respiration?

2.A 100-metre sprinter usually holds his breath while running compared with a long-distance runner. after running, tje sprinter needs seven litres of oxygen to remove the lactic acid in his muscle, EXPLAIN THIS DIFFERENCE BETWEEN THE SPRINTER AND THE LONG-DISTANCE RUNNER

*please help me*
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Answer 1

1. Cellular respiration in muscles produce lactic acid and have less energy compared to aerobic respiration because of fermentation

2. For number two I am not so sure but I know sprinter use up a lot of their ATP stored or something.