Because brown adipose cells function primarily as energy consumers and white adipose cells function primarily as energy stores, the common origin of these cells has been debated. In general, brown and white adipose cells are not found together; they form distinct tissues.
Tru-Spec Short Sleeve Tactical Shirt. The shirt you wear helps define who you are as an individual, so do not settle for a shoddy shirt that falls apart after a few wears. The Tru-Spec Short Sleeve Tactical Shirt is designed to be both stylish and functional. It comes with two chest pockets for easy access to small items, and the left pocket even has a small opening for a pencil.
The vest of Personnel Armor System for Ground Troops was the United States military's standard upper torso body armor from the mid-1980s up until the early 2000s (decade), when it was replaced by the Outer Tactical Vest of the Interceptor Body Armor system.