19. Knowing your heart rate is important because * 5
a. you exercise safely

b. helps you reach your goals

c. measures your effort

d. Improves your health - helps you find and maintain the the right exercise intensity

e. All of the above

Which of these is a symptom o anorexia nervosa

If a person has a bad pain in their back, specifically lower back a bit above the hip, what should they do besides going to the doctor? what remedies could they use?

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.