How long can a human live without water How long can human live without food? A human can't live without food for 3 or 4 days (however your body type is,) and a human can't live without water for 2 or 3 days.
Cavities refer to tooth decay, which occurs when specific types of bacteria produce acid that destroys the toothâs enamel and its underlying layer, the dentin. Signs & Symptoms. Cavity symptoms include: 1  Toothache. 2  Sensitivity to sweet, hot or cold foods or drinks.
ANATOMY OF THE ORAL CAVITY. The mouth is that part of the body bounded by the cheeks, lips, palate, and the floor of the mouth (the area beneath the tongue). The nasal cavity is located above the mouth and is separated from the mouth by the hard and soft palate.