Your answer would be D, push ups
Pediatricians cover the largest range of ailments
Homeostasis is the maintaining of a stable and healthy environment in any organism. Any disease is fundamentally a disruption of this stability, causing some kind of disorder in the organism's inner functions.
Your environment can affect your fitness on many levels. Such as transportation. The more auto transportation opportunities you have, the less likely you are to either walk, bike, run, and so on. The atmosphere of your environment plays a huge role too. Is your city/town busy or slow going? The temperature. If it is sunny out, people can tend to want to be outdoors more than if it were raining or cold. There are plenty of factors, but sometimes it just varies on the people and their motivations.
