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Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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There are more sensory neurons in the tongue than in any other part of the body.

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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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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.

Alligator mississippiensis head Alligator mississippiensis head
Head Region of a Beetle Head Region of a Beetle
head head
A cutaway of a small block Chevrolet V-8 showing the passage from the cylinder head through the ... A cutaway of a small block Chevrolet V-8 showing the passage from the cylinder head through the ...
Traction the neck by placing the head, in neutral position facing upward, in one hand. Place the ... Traction the neck by placing the head, in neutral position facing upward, in one hand. Place the ...
Portrait Head of an Elder from Scoppito Portrait Head of an Elder from Scoppito
Video: Coaductile pathway, Timing of contraction signal & Conduction system and ECG

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