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.
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.