There are more nerve cells in one human brain than there are stars in the Milky Way.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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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.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Giant cell tumor of tendon sheath.
Formation of Myelin
Motor neuron showing the axon, dendrite, and myelin sheath.
One type of safety needle withdraws into a protective sheath when the injection is complete.
Formation and origins of myelin sheaths.
Multiple sclerosis is characterized by damage to the myelin sheath surrounding the axons of motor ...