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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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The average office desk has 400 times more bacteria on it than a toilet.
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About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.
![During their annual migration, the entire population of Arctic terns move from the Arctic Ocean in t](https://biology-forums.com/gallery/47/medium_33_22_09_11_9_37_27_1802877.jpeg)
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