Deletion of Respiration of human / mammal

Comment: as |an original essay. I'm sure I've seen this (or something very much like it) around here before, too
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)

Comment: per nom; also, this cites no |source and seems to be |original work
Stance: delete
Cited policy: Wikipedia:Verifiability (WP:V||WP:OR)