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Your heart beats over 36 million times a year.

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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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More than 4.4billion prescriptions were dispensed within the United States in 2016.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

The steps of the scientific method, also known as hypothesis testing The steps of the scientific method, also known as hypothesis testing
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Amazing NASA Pictures Collection Amazing NASA Pictures Collection
Amazing NASA Pictures Collection Amazing NASA Pictures Collection
Video: Stroke volume - contractility definition

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