As you take this test, you do not have to focus on taking your next breath or making your heart beat. this is because the is involved in the control of vital life functions, such as breathing, heart rate, and digestion.

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.

How much of the body is affected by chemotherapy

It is just as important to develop our as it is to develop our bodies.