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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually Greenstick Only one side of the shaft is broken, and the other is bent (like a greenstick); usually
American Children with Working Parents American Children with Working Parents
Temperament refers to stable differences in the emotional reactions of different children to similar ... Temperament refers to stable differences in the emotional reactions of different children to similar ...
a) When standing, keep your weight over your front leg. b) Avoid placing your foot under the table. ... a) When standing, keep your weight over your front leg. b) Avoid placing your foot under the table. ...
Incomplete dominance shown in the flower color of snapdragons Incomplete dominance shown in the flower color of snapdragons
Regions of the world where malaria is endemic are shown Regions of the world where malaria is endemic are shown
Video: Pressure Flow Model Animation

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