Hidden at the front of your neck is a small butterfly-shaped gland with effects throughout your body.
The thyroid produces hormones that influence how cells use energy and affect important physiological processes including metabolism, heart rate, body temperature, and growth.
In this cinematic 3D medical animation, travel from the outside of the neck into the thyroid and down to the microscopic level to see how thyroid hormones enter the bloodstream and communicate with tissues throughout the body.
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