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On average, the stomach produces 2 L of hydrochloric acid per day.

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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle Life-history cube, a classification of fish, mammals, and altricial birds based on three dimensionle
Platystictidae is a family of damselflies, commonly known as shadowdamsels. Platystictidae is a family of damselflies, commonly known as shadowdamsels.
A signature sequence in the EF-1α/EF-Tu protein family A signature sequence in the EF-1α/EF-Tu protein family
Milestones of Gross Motor Development in Infancy Age ranges provided are for 90% of American infant Milestones of Gross Motor Development in Infancy Age ranges provided are for 90% of American infant
Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ... Prevalence of drug use in the United States. Figures are based on a survey of people 12 years of age ...
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Video: Hormonal feedback loop components & Glucagon (glycogenolysis and gluconeogenesis)

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