Urinary system or the excretory system is used to study and observe the mechanism of toxin release, and conservations of essential elements and water. The reproductive system is studied to observe any disorder in the reproductive organs, or the offspring, during pregnancy. The endocrine system gives information about the hormones, their action on various conditions, their imbalances and how they can be cured. All the systems of the body are interrelated and have to be studied to maintain the well-being of the humans', Medical terms like Mamm are used for breast Mast is used for mastectomy Neo is for new fetus Exo is for the exocrine system Para is used for parathyroid and so on.
Explanation: Certain theories postulates that after each day, the events of the day and activities that went on during the can be replayed in our subconscious as dreams.