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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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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Asthma cases in Americans are about 75% higher today than they were in 1980.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.
Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae
The face of a caterpillar with the mouthparts showing
The Wong/Baker FACES rating scale.
How can we apply the categorical imperative to environmental issues?
Days 24–25 Pharyngeal arches develop. They will contribute to the face, neck, larynx, and pharynx.