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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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

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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
neurons neurons
Two models of sensory system organization: The former model was hierarchical, functionally ... Two models of sensory system organization: The former model was hierarchical, functionally ...
Examples of Sensory Receptors Examples of Sensory Receptors
Major Somatic Sensory Tracts and Pathways Major Somatic Sensory Tracts and Pathways
A nerve cell (neuron) has extensions called dendrites A nerve cell (neuron) has extensions called dendrites
Video: Types of Burns

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