Sentence:  Also , interlobular air drifts may be all but nonexistent in the cow ; probably occur in the horse much as in the <WSD>human</WSD> being ; and , in contrast are present to a relatively immense degree on a segmental basis in the dog where lobules are absent ( Van Allen and Lindskog , ' 31 ) . 
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