<span>D. {fever, joint pain, tiredness}
</span>
Answer: 8
Explanation: Just took it today and was right
A warm up consist of a period of non-strenuous activity that slowly prepares the body for more vigorous exercise.
Most warm up will gradually increase in intensity. The muscle which was used can be different for each activity. <span>Not only athlete, </span>singer can do warm up too.
