Which disease is caused by the body's immune system attacking healthy cells? a. lupus b. cancer c. sickle cell disease d. cardiovascular disease

Why should you to explore different careers at this point in your life

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.

Describe three ways in which technology has treat the flu