There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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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.
How to plot a sine function containing an amplitude and phase shift (Question 1 of 3)
A model of the 70 ribosome, with mRNA and tRNA bound