The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.
Mechanoreceptors in the lateral line system that detect changes in water movement.
A colour print of platypuses from 1863
Use of an Ultrasonic Stethoscope to Detect a Dorsalis Pedis Pulse
The physician uses percussion—tapping—to detect sound or vibration.
Digital rectal examination to detect abnormalities of the prostate gland.