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Author Question: What is a social class?[br][br][b][color=#566D7E]Question 2[/color][/b][br][br]The main diagonal of ... (Read 35 times) |
There are 20 feet of blood vessels in each square inch of human skin.
Asthma cases in Americans are about 75% higher today than they were in 1980.
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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 top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.