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 endocrine system affects almost every organ and cell in the body, according to the Merck Manual. [Image Gallery: The BioDigital Human] Although the hormones circulate throughout the body, each type of hormone is targeted toward certain organs and tissues, the Merck Manual notes. The endocrine system gets some help from organs such as the kidney, liver, heart and gonads, which have secondary endocrine functions. The kidney, for example, secretes hormones such as erythropoietin and renin. Diseases of the endocrine system. Hormone levels that are too high or too low indicate a problem with the endocrine system.