The most common cause is depression.
I hope this hellps you.
Answer: Ligaments
Explanation: Lean body mass is simply everything that's is not fat. This includes your bones, organs, muscles, ligaments, tendons and fluids. So the answer to your question is Ligaments.
Each level of the food chain is a trophic level. hope this helps and i'm not too late!
Answer:
Merocrine and apocrine secretions leave the cell intact and are able to continie secreting; holocrine secretion does not.
Explanation: