Hookworms in Cats and Dogs
The adult hookworm lives in the small intestine of its host. It hangs on to the intestinal wall using its six sharp teeth and unlike other worms that just absorb the digested food through their skin as it passes by, the hookworm drinks its host's blood. Humans can get hookworms too.
Hookworms in Cats and Dogs: https://veterinarypartner.vin.com/doc/?id=4951969