Jack plays alot of sports but has some difficulty reacting to what he sees and hears at the same time which skills should ge work on to overcome this challenge?
a)speed
b)coordination
c)power
d)balance

The outermost layer of your teeth is called the enamel and is made of?

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.

About how many individuals in the us go bankrupt each year due to medical bills?