Its the Chromosomes, if your talking about the human cells.
Answer:
regretting it? realizing you don't love them, feeling insecure about your body, falling for the person
Optic nerve is the most affected as it results in total blindness
A mouthpiece would be the most appropriate in lacrosse
I do not see any choices but I will give you background on anorexia nervosa- This is basically compulsive exercise and weight loss. Basically this is when people keep keep keep working out and they are at a very low bodyweight . I had a problem with this when I was younger and would not eat. Hope this helps