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Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

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There are 60,000 miles of blood vessels in every adult human.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Concentric double-pipe heat exchanger for counter-current flow Concentric double-pipe heat exchanger for counter-current flow
When the exhaust is lean, the PCM applies a positive current into the pump cell. When the exhaust is lean, the PCM applies a positive current into the pump cell.
To reverse the direction of operation, the polarity of the current through the motor is reversed. To reverse the direction of operation, the polarity of the current through the motor is reversed.
Drawing of Central PompeII In Its Current State Drawing of Central PompeII In Its Current State
(a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I (a) In nondisjunction in meiosis I, one pair of chromosomes fails to separate properly at anaphase I
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

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