Body

The human body is a complex and remarkable biological system that serves as the physical vessel for human life. It is made up of trillions of cells that work together in coordination to maintain various bodily functions.

Our eyes are always the same size from birth, but our nose and ears never stop growing.

A human's earlobes and nipples are perfectly aligned.

Babies are born without knee caps. They don't appear until the child reaches 2-6 years of age.

The average adult human body is about 60% water, but this can vary depending on age, gender, and body composition. For example, babies are born with about 75% water, and older adults have a lower percentage of water in their bodies. Women also have a slightly lower percentage of water in their bodies than men.

When you remove water from grapes, you get raisins, and when you remove water from your body, you get wrinkles.

Very near 90 percent of your body is completely remade by the foods you eat.

Your brain makes up about 2% of your bodyweight.

The average human body temperature has been dropping by one twentieth of a degree Fahrenheit per decade, since being established as 98.6 in 1851. The reason is improved health and thus reduced population-level inflammation; heat is a symptom of inflammation.

The average temperature of a bee hive and the human body are the same.

In half an hour, the human body can produce enough heat to boil a half gallon of water.

Every year, about 98% of the atoms in your body are replaced.

The average human body has enough iron in it to forge a metal nail that is 3-inches long, 

There is enough enough sulfur in a human body to kill all fleas on a dog.

The human body has enough fat for seven bars of soap.

The amount of gold in the human body is 0.2mg. 

There is enough carbon in a human body to make 900 pencils,

The human body has enough potassium to fire a toy cannon.

There is enough phosphorous in a human body to make 2,200 match heads.

The most sensitive parts of the human body are the lips and fingertips.

The gut is the only part of the human body that could function alone. It has as many neurons as a cat's brain.

The cornea is the only part of the human body with no blood supply and it gets its oxygen directly from the air

Our bodies actually glow in the dark, but the light we emit is 1,000 times weaker than what our eyes can detect.

All humans have lines on the body called Blaschko's lines, which are only visible under certain conditions such as under UV light.

You replace every particle in your body every seven years. You are literally not the same person you were seven years ago.