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COPD – Chronic Obstructive Pulmonary Disease, Animation.

Chronic obstructive pulmonary disease, or COPD, is a PROGRESSIVE inflammatory lung disease characterized by INCREASING breathing difficulty. Other symptoms include cough, most commonly with mucus, chest tightness and wheezing. COPD develops as a result of LONG-TERM exposure to irritants such as smoke, chemical fumes or dusts, and may go UNNOTICED for years. Most people show […]

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Astonishing molecular machines: Drew Berry at TEDxSydney

Translator: Lalla Khadija Tigha Reviewer: Ivana Korom What I’m going to show you are the astonishing molecular machines that create the living fabric of your body. Now molecules are really, really tiny. And by tiny, I mean really. They’re smaller than a wavelength of light, so we have no way to directly observe them. But […]

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The Integumentary System, Part 2 – Skin Deeper: Crash Course A&P #7

Look at all this stuff! Soaps, lotions, conditioners, polishes — all from that huge section of your local store that’s dedicated solely to the grooming of your skin, hair, and nails. Some might see these things as the trappings of vanity. But me? I see them as the tools for the care, maintenance, and — […]

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Tissues, Part 4 – Types of Connective Tissues: Crash Course A&P #5

Technically, we’re all just meat. Yeah, you could say that what makes us human is our emotions, or thoughts, or memories, but physically, we’re not all that different from this. We’re used to thinking of meat as the muscle tissue that people cook and eat — but the fact is, you could eat that stuff […]

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