the study of the functions of living organisms and their parts (the study of how body parts function)

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.

Ik that weed can cause brain damage, but are you telling or asking?