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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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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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Blood is approximately twice as thick as water because of the cells and other components found in it.

Diaphragm, the major muscle of breathing. Diaphragm, the major muscle of breathing.
Frog muscle - depressor mandibulae, latissimus dorsi (labeled) Frog muscle - depressor mandibulae, latissimus dorsi (labeled)
Muscle cells Muscle cells
Structure of a myofiber (muscle cell) Structure of a myofiber (muscle cell)
Potential gas reserves have increased significantly with the discovery of new shale gas formations Potential gas reserves have increased significantly with the discovery of new shale gas formations
Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate
Video: Introduction to Insulin

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