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.
Its role is to transfer the food to the back of the mouth and to move it around, so it can be broken down. There are also the salivary glands in and around the mouth that secrete the enzymes in saliva that begin the digestive process. In the mouth, both mechanical and chemical digestion takes place. 2. Pharynx