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Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Basic features of the function of many excretory systems. Basic features of the function of many excretory systems.
Basic overview of energy and human life. Basic overview of energy and human life.
A, Basic IV administration set; A, Basic IV administration set;
Chemistry: basic skills Chemistry: basic skills
Basic anatomy of the brain. Basic anatomy of the brain.
The basic structure of the IL-2 receptor. The basic structure of the IL-2 receptor.
Video: Cleavage and Implantation Animation

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