True. Lactic acid is caused by strenuous exercise. The lactic acid is formed because while working out, you don't receive as much oxygen.
OK so if the person was unsuccessful even after changing his or her life style I believe the best option for that person would be to seek professional help from a doctor/health adviser.
Answer:
The most obvious systems that interact with muscular system are the skeletal system, the nervous system and the circulatory system. Muscles are also involved in the digestive system, the respiratory system and the immune system. The circulatory system brings nutrients to the muscles and takes away wastes.
Explanation: explanation is with the answer
I believe this is true!
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