The 2 mainthyroid hormonesare T3 (triiodothyronine) and T4 (thyroxine). T3 and T4 regulate your body's temperature, metabolism and heart rate. The amount ofthyroid hormones secretedis controlled by anotherhormone, calledthyroidstimulatinghormone(TSH), which is released from the pituitary gland in your brain.

Thepituitary glandis a tiny organ, the size of a pea, found at the base of the brain. As the “mastergland” of the body, it produces many hormones that travel throughout the body, directing certain processes or stimulating otherglandsto produce other hormones

Hormones produced by the pituitary gland. Adrenocorticotrophic hormone (ACTH) Thyroid-stimulating hormone (TSH) Luteinising hormone (LH) Follicle-stimulating hormone (FSH) Prolactin (PRL) Growth hormone (GH) Melanocyte-stimulating hormone (MSH)

hormones insulin-pancreas

Functioning as anexocrinegland, the pancreas excretes enzymes to break down the proteins, lipids, carbohydrates, and nucleic acids in food. Functioning as anendocrinegland, the pancreas secretes the hormonesinsulinandglucagonto control blood sugar levels throughout the day.