Exercising in hot weather can cause what side effects?
a. stomach cramps.
b. paranoia.
c. fatigue and sometimes serious illness.
d. dizziness and disorientation

Which of the following is found in the cavities of bone? periostreum endostreum fibrous tissue bone marrow

Trending data is needed when evaluating fitness levels in order to a. compare against others b. chart overall progress c. correct inaccurate data d. keep a person motivated

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.