we inhale them, swallow them, rub them in our eyes, and are constantly in a hidden, high-stakes battle with them. these disease causing agents are everywhere. what are they called?

The dietary guidelines for americans recommend (a) avoiding smoking. (b) engaging in aerobic exercise for 60 minutes at least five days a week. (c) making all of your grain choices whole grains. (d) increasing your intake of fruits and vegetables.

Describe in your own words three purposes of human services.

Fibers from the medial side of each eye cross over to the opposite side of the brain at the