Brown adipose tissue is present in small mammals (e.g., mice) and in newborn humans. Most of it disappears in adult humans. The cells in both types of fat are called adipocytes although they differ in origin, structure, and function in the two types of tissue.
On the left hand, index finger. It's not the index finger you wear it on. Left hand, ring finger. The finger that you would wear a wedding ring on.
Ring Finger of the Left Hand . A promise ring is a promise of commitment and often precedes an engagement. Therefore many couples like to wear a promise ring on what is traditionally thought of as being the wedding ring finger -- the ring finger of the left hand. When engagement rings have been exchanged, the promise ring is then worn on another finger. Tip: Remember that every finger is a different size. The ring finger of a left hand may well be a different size to the ring finger of the right hand. Therefore if a promise ring is going to be an expensive purchase, it is worth considering whether the size of the ring can be altered if it will be worn differently in the future.