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whispersmom2 · 10-12-2005, 10:10 AM

My understanding is that any dog whose original purpose required stamina and running had longer noses and larger chests, hearts and lungs..Necessary to take in a lot of oxygen ..

10-12-2005, 10:10 AM	#3
whispersmom2 Inactive Account Join Date: Jan 2005 Location: MD Posts: 2,985	My understanding is that any dog whose original purpose required stamina and running had longer noses and larger chests, hearts and lungs..Necessary to take in a lot of oxygen ..