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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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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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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
Selected skeletal muscles (anterior view). Selected skeletal muscles (anterior view).
Selected Vaccines and Their Schedules Selected Vaccines and Their Schedules
(a) A turbidometry detector measures laser light directly across from the light source. The sample, ... (a) A turbidometry detector measures laser light directly across from the light source. The sample, ...
A sample of work by a Grade 4 student with a specific learning disorder A sample of work by a Grade 4 student with a specific learning disorder
Video: Dissociative Disorders (Part 1)

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