kidney is the most sensitive organ of the body.
The brain is not the most sensitive organ in the body. It actually only interprets what the sensory system information brings to it. You could poke a fork into the brain and it would feel no pain, flash a light on it, put a really smelly sustenance on it, put pressure on it, touch it, yell at it and it would not even notice that. So the sensory part of the nervous system is the most sensitive part of the human body.
the testes..
gut
the neck is the most sensitive part of your body - WRONG The correct answer is your lip then thumb
The most sensitive part of a dog's body is typically their nose.
The brain is the organ in the human body that uses the most energy.
The liver is the most heaviest organ in the human body; It is also the largest internal organ.
Skin
it is your skin
clitoris
The clitoris is typically considered the sexual organ with the most nerve endings, specifically in the glans. This makes it highly sensitive and responsive to sexual stimulation.
Most probably her eyes because eyes are the most sensitive organ of the human body.