BO VEISLAND / SCIENCE PHOTO LIBRARY BO VEISLAND / SCIENCE PHOTO LIBRARY
Thyroid anatomy. Computer artwork of a human thyroid gland, showing the blood supply (red and blue). This organ is found in the neck and is part of the endocrine system. It releases thyroid hormones into the bloodstream to regulate the rate of the body's metabolism and growth. The thyroid is supplied with blood by the superior and inferior thyroid arteries, and drained via the superior and inferior thyroid veins.
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