
The
human nose can detect over 1 trillion different scents, making it one of the most sensitive organs in the body.

The
human brain is the most complex structure in the known universe. It
contains around 100 billion neurons and each neuron can form up to 10,000
connections with other neuron.

The
liver is the only organ in the body that can regenerate itself, even if up
to 75% of it is removed.
The
human body has about 60,000 miles of blood vessels.

The
human heart beats about 100,000 times a day and pumps around 2,000 gallons
of blood throughout the body.
The
human body is made up of about 60% water.

The strongest muscle in the human body is the masseter, which is the muscle that controls chewing.
The
human eye can distinguish about 10 million different colors.
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