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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Earth as viewed from Lunar orbit during the Apollo 8 mission, Christmas Eve, 1968. Africa is at the Earth as viewed from Lunar orbit during the Apollo 8 mission, Christmas Eve, 1968. Africa is at the
Sivapithecus is a Miocene ape (middle) with anatomical similarities to orangutans (left) rather than Sivapithecus is a Miocene ape (middle) with anatomical similarities to orangutans (left) rather than
(Left panel) The transition level (TL) for moving out of the parental home for 240 young men and ... (Left panel) The transition level (TL) for moving out of the parental home for 240 young men and ...
Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ... Examples of four letter formats: (A) block style, (B) modified block style, (C) modified block style ...
Blunt percussion over the left costovertebral angle Blunt percussion over the left costovertebral angle
Video: Muscle cell structures - actin, myosin and titin filaments

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