If you could remove all of your skin, it would weigh up to 5 pounds.
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It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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There are more bacteria in your mouth than there are people in the world.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
Cnidarians have specialized stinging cells called cnidocytes
Elephants do not fully digest their food. Other animals, such as this Baboon may pick through elepha
phylogenetic tree of animals
Cystic fibrosis is caused by a mutation in a protein called CFTR