what is lean tissue consist of
The muscles, tendons and ligaments are also considered lean body tissue. Lean body tissue is not completely fat-free, as your internal organs and your bones contain small amounts of essential fat.Lean body tissue should not be confused with thinness.Being thin simply means you weigh less than the recommended amount for your age and height.ean body tissue is not completely fat-free, as your internal organs and your bones contain small amounts of essential fat. Lean body tissue should not be confused with thinness.