Aerobic Exercises is the answer
The role and function of narcotics are for depressant and is typically used for severe pain. What these medications do is that they shut down the central nervous system which sends and perceives this sense of severe pain. Examples of narcotics include codeine and MORPHINE.
Answer: bodily dehydration
Explanation:
When exercising the body looses fluid and electrolytes through one of the bodily secretions like sweat this leads to dehydration. During long hours of sports performance the chances of the body get dehydrated becomes prominent. The problem of dehydration can lead to fatigue, cramps, impaired concentration and soreness. It can also result in failure of vitals organs like heart and kidney.
I believe the answer is (a) variability
