The amount of sleep your body needs on a regular basis is called a. insomnia b. basal sleep c. alpha sleep d. sleep debt

Ab+cd-> ad+bc is what kind of reaction

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.

Which is the term used for a drug that increases the activity of the nervous system