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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Drugs and Human Behavior Drugs and Human Behavior
Frederick Douglass, having escaped from slavery in 1836, attracted large audiences as an antislavery Frederick Douglass, having escaped from slavery in 1836, attracted large audiences as an antislavery
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo
An Operant Chamber An Operant Chamber
Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior
The basal ganglia are clusters of gray matter that control learned movement and are involved with ... The basal ganglia are clusters of gray matter that control learned movement and are involved with ...
Video: Introduction to Cystic Fibrosis

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