Natural - existing in or in conformity with character or perhaps the observable environment; neither supernatural nor magical; "a wonderfully natural clarification" Dogs have the same 5 senses as men and women, but these senses have developed somewhat in a different way that will help them endure: (= inborn) reward, https://thcamakesyouhigh67788.blogoscience.com/42110725/how-pet-stress-reduction-can-save-you-time-stress-and-money