Thyroid treatment In Punawale PCMC The thyroid gland is a butterfly-shaped endocrine gland in the front of the neck that produces hormones that regulate many body functions: Metabolism: The thyroid gland helps regulate chemical reactions in the body. Growth and development: The thyroid gland plays a role in growth and development. Heart rate: The thyroid gland helps regulate heart rate. Body temperature: The thyroid gland helps regulate body temperature. Blood pressure: The thyroid gland helps regulate blood pressure. Digestion: The thyroid gland affects digestion. Moods: The thyroid gland affects moods.