Top 100 Operators: Proved Reserves and Production, Operated vs Owned, 2009 1 Top 100 Operators: Proved Reserves and Production, Operated vs Owned, 200 9. EIA data release policy does not allow company-specific proved reserves estimates, as. publishing these volumes could compromise proprietary data.
Endocrine glands include: 1  Adrenal glands: Two glands that sit on top of the kidneys that release the hormone cortisol. 2  Hypothalamus: A part of the lower middle brain that tells the pituitary gland when to release hormones.  Ovaries: The female reproductive organs that release eggs and produce sex hormones.
A: The digestive and endocrine systems work together, mostly through the pancreas, to produce and disseminate digestive enzymes. The endocrine system contains several different organs and glands, which are the hypothalamus, pituitary, parathyroids, adrenal glands, reproductive glands, thyroid and pineal body.