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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.

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By definition, when a medication is administered intravenously, its bioavailability is 100%.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Magnetosomes found in the spirillum Magnetospirillum magnetotacticum. Magnetosomes found in the spirillum Magnetospirillum magnetotacticum.
Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia. Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia.
The calcaneus spur found on the male's hind limb is used to deliver venom. The calcaneus spur found on the male's hind limb is used to deliver venom.
Wombat scat, found near Cradle Mountain in Tasmania Wombat scat, found near Cradle Mountain in Tasmania
Amino sugars are found in many polysaccharides Amino sugars are found in many polysaccharides
Palpating lymph nodes: Supraclavicular Palpating lymph nodes: Supraclavicular
Video: Muscular System Animation

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