I think the skin is the largest organ in the human body :)
I hope this helps!
There isn't a specific 'most common eating disorder', but most people would have a disorder known as binge eating disorder, which is eating more than necessary. The other top 2 include anorexia nervosa or bulimia nervosa.
Answer:
Polyploid cells have more than 2 sets of each chromosome. Hope that helped! :)