Well, here's 2 facts that they use repeatedly: 1  In order to build muscle, you need to consume excess calories. 2  In order to lose fat there must be a calorie deficit.
In human anatomy, the mouth is the first portion of the alimentary canal that receives food and saliva. The oral mucosa is the mucous membrane epithelium lining the inside of the mouth.
Food enters the mouth where the first stage in the digestive process takes place, with the action of the tongue and the secretion of saliva. The tongue is a fleshy and muscular sensory organ, and the very first sensory information is received via the taste buds on its surface.