Sentence:  Anatomically , the horse lung appears to be remarkably like that of man , insofar as this can be ascertained from comparison of our findings in the horse with those of others ( Birnbaum , ' 54 ) in the <WSD>human</WSD> being . 
Meaning of the word marked with <WSD> tags:  any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage