Multiple choice

What does the build up of lactic acid in your body cause?

  1. It gives you a lot more energy

  2. It make your muscles burn

  3. It make you pass out

  4. It provides you with the oxygen needed for respiration

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When muscles work harder than the oxygen supply can support, they switch to lactic acid fermentation. The accumulation of lactic acid is associated with the burning sensation felt in muscles during intense exercise.