The nonfat part of the body is termed:

The nonfat part of the body is termed lean body mass. Hope this helps!

Your dog can sniff at or even eat a bit of catnip. the herb is edible and not harmful. just don't expect them to roll around like a cat would! your dog may scrutinize catnip by licking and smelling at it, or be totally indifferent to this stimulant.