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Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

The Pantanal, Brazil, seen here in flood condition, is a critical jaguar range area. The Pantanal, Brazil, seen here in flood condition, is a critical jaguar range area.
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Psoriasis. This photograph demonstrates the characteristic white skin patches of this condition. Psoriasis. This photograph demonstrates the characteristic white skin patches of this condition.
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort Endocarditis. The human heart has been sectioned to reveal the left ventricle and origin of the aort
Goiter as commonly seen in autoimmune thyroid disease. Goiter as commonly seen in autoimmune thyroid disease.
Video: Congenital Heart Defects Animation

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