... computer, the endocrine glands and the other systems of the body work together. They sense and respond to the numerous minor and major changes in the per-son’s daily environment and the resulting ... pineal gland, the thyroid gland, the parathy-roids, the thymus gland, the pancreas, the adrenalglands, the ovaries, and the testes. All these glandsare actively involved in both major and minor ... from them as fast as possible. The Endocrine System Works Around the Clock The endocrine system is comprised of the followingkey organs: the hypothalamus, the pituitary gland, the pineal gland,...