Okay so I have wrote down the answer for u and please don't mind my handwriting , I was just in a hurry
True. Lactic acid is caused by strenuous exercise. The lactic acid is formed because while working out, you don't receive as much oxygen.
Answer:
The Answer should be C. observational :):)
Explanation:
Given the attitude of the grandfather portrayed in the problem, the most likely answer is
B) Go to the doctor regularly because he can monitor his health before problems get severe.
This would be because you are reminded, "prevention is the best medicine", and the answer B provides the precaution that is recommended.
1.the diaphragm. hope it helps