Question

While performing strenuous exercise, a person may experience a temporary shortage of oxygen. As a result, anaerobic respiration supplies the required energy.

What is an end product that will build up in the person’s muscles?

Responses

ethyl alcohol
ethyl alcohol

glucose
glucose

lactic acid
lactic acid

pyruvate
pyruvate

Answer 1

The end product that will build up in a person’s muscles during anaerobic respiration, especially during strenuous exercise when oxygen is in short supply, is **lactic acid**.