The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
The human body produces and destroys 15 million blood cells every second.
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Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Primary, secondary, and tertiary endosymbiosis.
The pattern of primary succession at Glacier Bay, Alaska.
Types of primary skin lesions
Block Diagram of a Dual-stage Pressure System for Dual-Stage Pressure Production of Nitric Acid Seme
A Production Function with Diminishing Marginal Product of Capital