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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

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The FDA recognizes 118 routes of administration.

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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

heme of myoglobin (derived from PDB ID 1MBO) heme of myoglobin (derived from PDB ID 1MBO)
11.2 The chemical structure of mescaline, derived from the peyote cactus 11.2 The chemical structure of mescaline, derived from the peyote cactus
Marx's Model Of The Social Classes Marx's Model Of The Social Classes
Calcium Channel Blockers (Class IV) and Miscellaneous Drugs for Dysrhythmias Calcium Channel Blockers (Class IV) and Miscellaneous Drugs for Dysrhythmias
Differences in the antigen-processing pathways between MHC molecules class I and class II. Differences in the antigen-processing pathways between MHC molecules class I and class II.
Structural classes of antibodies Structural classes of antibodies
Video: What Are Carbohydrates? Importance of Carbs & High Carb Food

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