If an outdoor runner develops a headache, feels tired, and has an elevated heart rate, what is the most probable cause? a. insufficient calories b. dehydration c. lack of protein d. overhydration

How do you measure the intake or servings of the different food groups of myplate? grains and protein foods are measured in terms of . intake of fruits and vegetables is measured in terms of . men and women in the range of 19 to 30 years of age must consume at least of fruits.