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Why is Caucasian applied to the white race?

April 16, 2017 | Author: | Posted in Human Physiology

Johann Blumenbach (1752-184o), the German anthropologist, classified mankind into five races; namely, the Caucasian, Mongolian, Ethiopian, American and Malayan, corresponding respectively to the white, yellow, black, red and brown races. The finest and most perfectly proportioned skull in Blumenbach’s collection was from the Caucasus, the region between the Black and Caspian seas. He, therefore, took …

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How many square feet of skin does the body contain?

March 8, 2017 | Author: | Posted in Human Physiology

It is estimated that there are from fourteen to eighteen square feet of skin on the average adult human body. One investigator placed the figure as high as twenty square feet. Of course, the surface area of the body, which is practically equivalent to the number of square feet of skin, varies with sex, age, …

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What distinguishes a blond from a brunet?

March 2, 2017 | Author: | Posted in Human Physiology

Blond and brunet are relative terms. It is impossible to draw a sharp distinction between them. Many persons have both blond and brunet characteristics. Generally in such a classification the complexion of the skin and the color of the hair and the eyes are taken into consideration. A blond is a person with light or …

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Why do gunners open their mouths when firing cannon?

December 28, 2016 | Author: | Posted in Human Physiology

Gunners often open their mouths to protect their eardrums while firing large guns. When the mouth is open the air waves set in motion by the discharge of the cannon enter the throat as well as the ears; consequently the sudden pressure against the outside of the drums is counteracted by an equal pressure against …

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