Hailey did 10 sets of sprints. When she relaxed afterward, her muscles started to feel sore. Which of the following best explains what was built up in her muscles?

Respuesta :

It sounds like lactic acid was built up in her muscles.

Answer:

The answer is  lactic acid was built up in her muscles. BELIEVE ME!!!!

Explanation:

How I know this is the right answer is because I took the test and got the answer right on the test. Soooooooo if it is right on the test, it has to be the right answer!!!! :)