"Do I need to go into detail about what organs necessery to survival are ?"
"Most certainly . The fact that you think that it is unnecessary only underlines your ignorance . Why do n't you discuss beetle lungs for us . Those are organs necessary for the survival of both bears and cheetahs . How about livers . Same story . Thyroid ? Pituitary ? Pancreas ? Go for it ."
"Do I need to go into detail about what organs necessery to survival are ?"
"Most certainly . The fact that you think that it is unnecessary only underlines your ignorance ."