There are 60,000 miles of blood vessels in every adult human.
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Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Dose–response relationship
Interpret Tabular List Conventions
The Cells of the Innate Response
Steiner taste response experiments on three newborns
List transformations and Create a table of values for the following log function:
Example of inflammation as a response to bacterial infection.