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Vaccines prevent between 2.5 and 4 million deaths every year.

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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.

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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

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A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
Helping maintain accurate patient records is a critical part of the medical assistant's work. Helping maintain accurate patient records is a critical part of the medical assistant's work.
For the 2-year-old, encounters with peers provide valuable practice in communication and social ... For the 2-year-old, encounters with peers provide valuable practice in communication and social ...
Electronic digital thermometers are accurate and easy to read. Electronic digital thermometers are accurate and easy to read.
This depiction breaks stereotypes, but is historically accurate. Shown here is an Iroquois fort. Can ... This depiction breaks stereotypes, but is historically accurate. Shown here is an Iroquois fort. Can ...
In-line blending is the most accurate method for blending ethanol with gasoline because computers ... In-line blending is the most accurate method for blending ethanol with gasoline because computers ...
Video: Mendel's pea plant, Pisum sativum experimental

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