Psychological disorders which may be confused with an eating disorder, or be co-morbid with one: 1  Emetophobia is an anxiety disorder characterized by an intense fear of vomiting. A person so afflicted may develop rigorous standards of food hygiene, such as not touching food with their hands.
Having a good lung capacity is important because you'll need it when it comes to sports and running.
The heart is the most important muscle of the body because it is the organ that pumps the blood throughout the body to carry out oxygen and nutrients, and helps collect and el â¦ iminate carbon dioxide and other wastes from the body.1 person found this useful.ell I really believe the most important muscle in your body is your heart since it is vital to your existence. It helps oxygenated blood pump out to all your muscle and other body organs and the brain to help with All your body's movement and activities of day to day living. 2 people found this useful. 4 Jays.