دانلود فیلم جدید How does asthma work? – Christopher E. Gaw

How does asthma work? – Christopher E. Gaw تماشای آنلاین و دانلود با لینک مستقیم برترین کیلیپ ها و فیلم ها
View full lesson: http://ed.ted.com/lessons/how-does-asthma-work-christopher-e-gaw

More than 300 million people around the world suffer from asthma, and around 250,000 people die from it each year. But why do people get asthma, and how can this disease be deadly? Christopher E. Gaw describes the main symptoms and treatments of asthma.

Lesson by Christopher E. Gaw, animation by Zedem Media.

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