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.
Lips are a visible body part at the mouth of humans and many animals. Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech.