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Did you know?
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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There are more bacteria in your mouth than there are people in the world.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
![An adult male killer whale with its characteristic tall dorsal fin swims in the waters near Tysfjord](https://biology-forums.com/gallery/47/medium_27599_22_04_12_6_51_00.jpeg)
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