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2. Human body - Wikipedia

   en.wikipedia.org/wiki/Human_body

   The human body is the entire structure of a human being. It is composed of many different types of cells that together create tissues and subsequently organs and then organ systems . The external human body consists of a head , hair , neck , torso (which includes the thorax and abdomen ), genitals , arms , hands , legs , and feet .

3. 9 Bonkers Facts About the Human Body That’ll Make You ... - AOL

   www.aol.com/9-bonkers-facts-human-body-153800451...

   The human body is just plain weird man. If we knew about all the (hopefully) perfectly orchestrated chaos being carried out underneath the surface, we'd lose our marbles. Its these kinds of far ...

4. 105 Fun Facts About Science, History, Celebrities, and More - AOL

   www.aol.com/heres-103-fun-facts-actually...

   Fun Facts About the Human Body. Nails grow faster in the summer than winter. Westend61 - Getty Images. Nails grow faster in the summer because of increased vitamin exposure.

5. 135 Interesting Facts for Kids and Adults to Blow Your Mind - AOL

   www.aol.com/135-interesting-facts-kids-adults...

   Interesting facts shown as lightbulbs on post-it notes. Like Dr. Seuss once said, ... Up to 60% of the human adult body is water. 32. Humans have 99.9% of the same DNA sequence. 33. If a person ...

6. Composition of the human body - Wikipedia

   en.wikipedia.org/wiki/Composition_of_the_human_body

   Parts-per-million cube of relative abundance by mass of elements in an average adult human body down to 1 ppm. About 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium ...

7. Human skeleton - Wikipedia

   en.wikipedia.org/wiki/Human_skeleton

   The human skeleton is the internal framework of the human body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together. [ 1 ]

8. 50 ‘Unbelievable Facts’ To Make You The Most Interesting ...

   www.aol.com/79-most-interesting-fascinating...

   And the Instagram page ‘Unbelievable Facts’ is one of the best places to do just that. Every day, they share fascinating trivia, building a collection that now includes over 10,000 unique ...

9. Organ system - Wikipedia

   en.wikipedia.org/wiki/Organ_system

   Main article: List of systems of the human body. Nervous system in a human body. There are 11 distinct organ systems in human beings, [2] which form the basis of human anatomy and physiology. The 11 organ systems: the respiratory system, digestive and excretory system, circulatory system, urinary system, integumentary system, skeletal system ...