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Author Question: The beating of the cilia of the respiratory passages in the direction of the pharynx forms a(n) A) ... (Read 32 times) |
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Illicit drug use costs the United States approximately $181 billion every year.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.