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Author Question: To protect yourself, you should go to your doctor and get the hepatitis B vaccine before beginning ... (Read 42 times) |
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.
The horizontal fraction bar was introduced by the Arabs.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.