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.
A bride and groom typically exchange rings during their wedding ceremony, placing the ring on each other's wedding ring fingerâthe fourth finger of the left handâafter saying their vows. There are no rules on which metal your wedding rings must be made of, or whether or not they should match.