Before discussing pneumonia in children further, we must first know how the lungs work. In healthy lungs, oxygen enters when ...

Smoking damages the airways, air sacs (alveoli) in the lungs ... Nicotine causes blood vessels to tighten, which restricts the flow of blood. Smoking also raises blood pressure, weakens blood ...

In fact, smoking has numerous immediate health effects on every organ of the body including the brain. respiratory, ...

Choose from Blood Vessel Anatomy stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection Essentials ...

One example of symmorphosis is the human lung, in which the structure of the lung’s alveoli—an ultrathin wall that ... nor over-designed for its function of oxygen diffusion into blood vessels, and ...

Fluid movement across the semipermeable vessel ... the alveoli. Pressure chambers typically come with safety valves. The lungs are no different: when left atrial pressure mounts, ensuing pulmonary ...

The heart, lungs, great vessels (aorta, vena cava, pulmonary veins and arteries) and liver will hemorrhage quickly if punctured or lacerated. The chest cavity can hold several liters of blood ...

Every year, millions of people around the world suffer ischemic strokes that block blood flow to a region of the brain.

New research from Weill Cornell Medicine has uncovered a surprising culprit underlying cardiovascular diseases in obesity and diabetes-not the presence of certain fats, but their suppression.

Get Instant Summarized Text (Gist) Specialized blood vessels and nitric oxide (NO) are crucial for stem cell survival and immune evasion. Hematopoietic stem cells (HSCs) expressing high NO levels ...

Milwaukee Bucks guard Damian Lillard is likely out indefinitely because of deep vein thrombosis in his right calf.

Michelle Spear does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...