It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Disorders and Diseases of the Digestive System
The male reproductive system.
The lymphatic system.
Weather Characteristics of North American Air Masses
Preload is related to the amount of blood and stretching of the ventricular myocardial fibers