Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
The life cycle of the early diverging moss genus, Sphagnum, illustrating reproductive adaptations th
The hair cycle
The Water Cycle
Glycerolipid/free fatty acid cycle and glyceroneogenesis
The cell cycle has three stages: interphase, mitosis, and cytokinesis