Answer: Melatonin gummies help you sleep if your being for real lol
Remember that Exocrine means a gland that is exposed tobthe outside while endocrine is anything located with the body. Adenoid or "tonsils" are an example of Exocrine, salivary gland also being another example. The pancreas and adrenal glands are an example of endocrine.
I might be wrong, but I think it is myosin, actin, and sarcomere.