A runner uses all available oxygen for respiration. She then notices that her legs are becoming sore. Which of these statements is most representative of respiration? A) She has been running too long.
B) Her body is producing lactic acid as a result of doing anaerobic respiration.
c) Her body is producing lactic acid because she is breathing too hard.
D) Her body is producing lactic acid as a result of doing aerobic respiration.