Question

question 6 0.5 pts lactic acid build up in muscles is a sign that __________. insufficient oxygen is reaching the muscles aerobic respiration capacity has not been reached the muscles will be able to operate continuously respiration is operating effectively

Explanation:

Lactic acid is produced during anaerobic respiration in muscles when oxygen supply is limited. When insufficient oxygen reaches the muscles, they switch from aerobic to anaerobic respiration, leading to lactic - acid build - up.

Answer:

insufficient oxygen is reaching the muscles