A cat's excellent hearing is the "Yang" that goes with their superior "Ying" of night vision. Not only are their ears more sensitive they are mobile with a cat able to move their ears through 180 degrees to face them towards any detected sound. This enables the cat to pinpoint the position of its prey, in both direction and distance.
This renders the body incapable of regulating the use of water.
Flu in cats is not uncommon and, in houses where more than one cat lives, and particularly in catteries, can soon spread to other cats. Generally, the
Cats, especially those with access to outdoors, can suffer from a variety of external and internal parasites, including lice, fleas, fungal infections