We get tired after exercise because our muscle fibers get tired very quickly. This is due to the major source of energy for the muscle tissue, called adenosine triphosphate, or ATP. As the muscles make use of this supply of energy, they get tired and fatigue.
Answer:
A) Eats alone most of the time
Explanation:
It has been confirmed that eating alone often is harmful to health. Eating alone can increase the risk of obesity in adult citizens, but it can also lead to malnutrition, as many people feel no stimulation to eat alone. For this reason, to help with nutritional screening in the community, the local senior center that has developed a screen to help them identify individuals at high risk for malnutrition should use the "eat alone most of the time" factor as a risk factor for malnutrition.
The answer is A. Transition
Divorce and changing schools is also considered a transitions.
An enviromental change could trigger a drug abuse for teens because it forced them to adapt (socialize with friends, etc)
C. moving food through the body and transporting air through the body
