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Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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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.

Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
The Environment Influences Gene Expression The Environment Influences Gene Expression
Primary cilium and the Hedgehog pathway Primary cilium and the Hedgehog pathway
The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives. The most commonly used socket drive sizes include 1/4, 3/8, and 1/2 inch drives.
Guidelines for Field Triage of Injured Patients, Centers for Disease Control, 2011 Guidelines for Field Triage of Injured Patients, Centers for Disease Control, 2011
Video: Fetal Development of the Cardiovascular System

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