The lungs have two primary functions: to acquire oxygen from the air, which is required for life, and to remove carbon dioxide from the body. Carbon dioxide is a byproduct of many of the chemical reactions that sustain life.
During breathing, air enters and exits the lungs. It flows in through increasingly smaller airways, finally filling tiny sacs called alveoli. Blood circulates around the alveoli through capillaries (tiny blood vessels). Where the capillaries...
Read morePeople with asthma are often looking for more natural solutions to feeling better. Because, let's face it -- it's no fun taking medicine... Read more »
It's an old wives' tale that asthma is "all in your head." Asthma is a very real physical illness. You can't will it away. However,... Read more »
Exercise is commonly broken up into two subcategories- aerobic and anaerobic exercise. Technically, these terms refer to the presence... Read more »
For the past three weeks, I have incorporated a regular and very intense form of cardiovascular training into my powerlifting workouts and... Read more »
Source: ADAM Encyclopedia
SARSDefinitionSevere acute respiratory syndrome (SARS) is a serious form of pneumonia. It is caused by a virus that was first identified in 2003.... Read more »
(Ivanhoe Newswire) ? No one wants to go to a hospital that isn't clean and sterile. But could the very products being used to achieve those goals be... Read more »
Source: ADAM Encyclopedia
InformationAs people age, their brain and nervous system go through natural changes. The brain and spinal cord lose nerve cells and weight. Nerve... Read more »
Source: ADAM Encyclopedia
The words "respiratory" and "respiration" refer to the lungs and breathing.Related topics:ApneaDyspneaLung diseaseLung scanRapid breathingLung... Read more »
Source: ADAM Encyclopedia
Surgery and DevicesVacuum Erection DevicesVacuum erection devices, also called vacuum constriction devices, are another option for men with erectile... Read more »