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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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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

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The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

The three basic body plans of bilaterally symmetrical animals. The three basic body plans of bilaterally symmetrical animals.
The four ways in which animals exchange heat with the environment are radiation, evaporation, convec The four ways in which animals exchange heat with the environment are radiation, evaporation, convec
Internal and External Environment Internal and External Environment
Testing Infants’ Knowledge Testing Infants’ Knowledge
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
A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ... A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat ...
Video: Cardiac Cycle (Part 1 of 4)

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