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Author Question: Approximately how many times does an average human heart beat in a lifetime? A) 3 1011 B) 3 ... (Read 28 times) |
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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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There are 60,000 miles of blood vessels in every adult human.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.