Life Insurance. The life insurance customer service team at Friends Life have four different telephone numbers; you should call the one that corresponds to the prefix before your policy number. Prefix â F or L, call: 0845 600 3122. Prefix â H, J or L, call: 0845 070 7099. Prefix â 3, call: 0845 300 1942.
Lean Body Mass vs. Muscle Mass. Lean Body Mass (also sometimes known as simply âlean mass,â likely the source of the word âlean muscleâ) is the total weight of your body minus all the weight due to your fat mass. It includes the weight of all your organs, your skin, your bones, your body water, and your muscles.
SHARE SHARE TWEET EMAIL. Assessing body composition takes into consideration the distributions of lean body mass and fat mass. Lean body mass includes muscle, bone, blood and everything that is not fat. Obviously, it is better to have more lean muscle than fat.