Which principle is based on the concept that “if you don’t use it, you lose it”?

There are two main levels of responsibility related to fitness and fire apparatus operations and preventing injuries and line of duty deaths. the first level involves personal responsibility. the second level involves

Abag of candy contains two servings, and each serving is 800 calories. which is the healthiest choice? eat one serving and save the other serving eat one piece and share the rest with friends eat both servings eat the whole bag and eat fewer calories later on

The acts as the internal clock that controls sleep and waking cycles. a. hypothalamus b. pineal gland c. ovaries d. thyroid