Some well-known symptoms of Body Dysmorphic disorder would be:
1. anxiety
2. obsessively reviewing small flaws in the body; that are typically not visible to others.
3. feeling that a particular part of your body causes to be ugly.
The level of oxygen in the blood...
the level of carbon dioxide in the blood...
the level of oxygen in the alveoli...
the shape of the alveoli...
the shape of the lungs....
Physical training that involves lifting weights for resistance.