What is the main function of the digestive system? O A. To break down food into molecules that can be taken in by cells O B. To collect wastes made by cells and remove them from the body O C. To monitor and react to changes in the body and its environment O D. To protect the body from pathogens that can cause infection

How does the fitt principle apply to the development of successful personal fitness programs

Which term is used to describe a hole played in one stroke under par?

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.