The Human Body is very complex specially by "Brain's point of view" at neurons level, and at Cells level like Nitrogenous bases,'cause there are million of possibilities and we have to figure it.
In simple words, You can see by the point that Just in our Ear, we have like 16 parts, so there might be thousands of parts which are still unknown.
Scientists still haven't even come close to discovering everything about the human body. Especially the brain, so many things are unknown about this amazing organ. A main question trying to be discovered and answered by scientists is what is consciousness, scientists are in fact closing in on an answer. But it is still currently a mystery. Thats just one of the many things undiscovered about the human brain.
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