I don't believe that picture posted above is a good representation of a deer's anatomy.
The lungs are larger, not angled upward like that and extended farther back....
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.