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Author Question: Ms. Harper provided a token as a reinforcer for John's behavior. The token was what type of ... (Read 928 times) |
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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
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The longest a person has survived after a heart transplant is 24 years.
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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Blood is approximately twice as thick as water because of the cells and other components found in it.