Cat Got Your Tongue?

Cat's tongues -- have you ever seen 'em?  I was startled the other day when Finn licked my hand after he finished his treat.  When dogs lick me, they leave a pool of saliva in their wake.  Finn's lick left my hand dry and exfoliated!

It turns out that cats can spend so much time grooming because they have a special tongue made solely for that task.  Cats tongues have spikes made of tough keratin that point towards their throat -- that way, when they lick their fur, their tongue acts as a comb!  It's also why cats so often get hairballs -- instead of matting their fur, their tongues pull loose hairs out which are inadvertently swallowed...