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This is a new series I am creating to help spur readers who are interested in science as it is one of my favorite subjects and hobbies. I always wondered what was the smallest organ in the human body, and after doing some research I finally received the answer to this question.
The Pineal Gland is the smallest organ in the human body, it is a small gland in the brain that produces melatonin the hormone that regulates your sleeping patterns. This gland is a small cone shaped organ only 8mm in diameter and can be seen on a regular X-ray.   In animals and to some degree people the Pineal Gland in addition to controlling sleeping patterns the gland also has an effect on seasonal changes, hibernation, puberty and seasonal breeding.
That is my science fact for the day.
-Justin Germino
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