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Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

The major arteries of the body. The major arteries of the body.
The three major mechanisms for facilitated transport The three major mechanisms for facilitated transport
Typical sequence of tooth eruption for both deciduous and permanent teeth Typical sequence of tooth eruption for both deciduous and permanent teeth
Micrograph of toothbrush bristles scrubbing plaque on a tooth surface. Micrograph of toothbrush bristles scrubbing plaque on a tooth surface.
Representatives of major orders of placental mammals Representatives of major orders of placental mammals
Timeline of Major Events in Plants Timeline of Major Events in Plants
Video: Pneumonia Animation

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