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.
The main glands and organs of the endocrine system include: 1  Pituitary gland â is inside the brain. It oversees the other glands and keeps hormone levels in check. 2  Thyroid gland â sits in the neck at the front of the windpipe. It releases thyroid hormone (T4 and T3) which is required for metabolism and body homeostasis.