Your thyroid is a butterfly-structured gland in your neck, exactly above your collarbone. It's one of your endocrine glands, which make hormones. Thyroid hormones control the rate of multiple exercises in your body.
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Your thyroid is a butterfly-structured gland in your neck, exactly above your collarbone. It's one of your endocrine glands, which make hormones. Thyroid hormones control the rate of multiple exercises in your body.