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Author Question: What percentage of Earth's land area is covered by dry regions such as deserts and steppes? A) 14 ... (Read 56 times) |
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.
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Medication errors are three times higher among children and infants than with adults.