* Pituitary gland: Often called the "master gland" because it controls the function of many other glands.
* Thyroid gland: Produces hormones that regulate metabolism.
* Parathyroid glands: Regulate calcium levels in the blood.
* Adrenal glands: Produce hormones that regulate stress response and blood pressure.
* Pancreas: Produces insulin and glucagon, which regulate blood sugar levels.
* Ovaries (female): Produce estrogen and progesterone, which regulate the reproductive cycle.
* Testes (male): Produce testosterone, which regulates male sexual development and reproduction.
* Pineal gland: Produces melatonin, which regulates sleep-wake cycles.
* Thymus gland: Important for the development of the immune system.
It's important to note that some organs, like the kidneys and liver, have endocrine functions even though they are primarily associated with other organ systems.
