« previous next »
« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Changes in bronchioles during an asthma attack: (a) normal bronchiole, (b) inflammation obstructing ... Changes in bronchioles during an asthma attack: (a) normal bronchiole, (b) inflammation obstructing ...
Dust and dirt in the air are trapped in the air filter so they do not enter the engine. Dust and dirt in the air are trapped in the air filter so they do not enter the engine.
Locations and reference zones of trigger points that cause headaches. A. Upper trapezius. B. ... Locations and reference zones of trigger points that cause headaches. A. Upper trapezius. B. ...
Use of a hand tool to apply pressure to a trigger point. Use of a hand tool to apply pressure to a trigger point.
Changes in bronchioles during an asthma attack Changes in bronchioles during an asthma attack
Video: Ear Animation

For a complete list of videos, visit our video library