There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
The female reproductive system. (a) Sagittal section through the pelvis. (b) Top view of pelvic orga
Components of the nervous system.
A general model of the sensorimotor system. Notice its hierarchical structure, functional ...