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Author Question: ________, which are specialized video cameras, provide an interactive way to conduct meetings with ... (Read 303 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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).
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.
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.