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Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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There are 20 feet of blood vessels in each square inch of human skin.

The 20 amino acids found in living organisms The 20 amino acids found in living organisms
The skull of a wild boar found at Lan Lo Au, Hoi Ha Wan Marine Park, Hong Kong The skull of a wild boar found at Lan Lo Au, Hoi Ha Wan Marine Park, Hong Kong
Outputs of the Central Nucleus of the Amygdala Outputs of the Central Nucleus of the Amygdala
Release of Dopamine in the Nucleus Accumbens Release of Dopamine in the Nucleus Accumbens
The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Reed-Sternberg cells: Bilobed nucleus coupled with the prominent nucleoli gives this cell the ... Reed-Sternberg cells: Bilobed nucleus coupled with the prominent nucleoli gives this cell the ...
Video: Otitis Media

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