Question 15 jakyra had softball practice for two hours in 90-degree heat. afterward, she experienced a headache and some cramps. what can prevent jakyra from getting overheated in the future? a. controlling her breathing during practice b. staying hydrated before and during practice c. stretching before and after practice d. taking a day off between practices question 16 paul wants to use technology to track walking mileage. which of the following should he use? a. online fitness magazine b. step counter c. fitness app d. stopwatch question 17 the fitness training principle used to adjust the effort level of a workout is known as a. frequency b. intensity c. time d. type question 18 danica heard cardiovascular exercise could boost her self-confidence. which activity should she try? a. lifting weights b. power walking c. resistance training d. yoga classes question 19 the fitness training principle used for increasing effort is known as a. overload b. tedium c. reversibility d. specificity question 20 which of the following is a long-term benefit of regularly participating in physical activity? a. increasing the level of daily fatigue b. having ample energy to enjoy leisure time c. increasing the risk of conditions like high blood pressure d. maintaining high body fat levels