Doctor insights on:
What Is The Purpose Of The Respiratory System
Keep air sacs open: Surfactants, which are made by the body and are also available as a medication for babies who are deficient in them (usually premie), coat the inside of the tiny air sacs in the lung and keep them open when you exhale. Just like a collapsed balloon is hard to inflate, a collapsed air sac is hard to open. When it doesn't close completely, it's easier to open with the next breath. ...Read more
Drainage of lymph: Lymph is a natural fluid made by the immune system (lymphatic system) to keep the body healthy. Any foreign material or waste product that persists in the blood (after liver) gets to the lymph system, where it is processed & "surveyed" to make sure there's nothing harmful. If there is, it goes to the immune cells to clean up. Lungs need it just like every other organ. ...Read more
Lymphatics: read this: http://en.wikipedia.org/wiki/Lymphatic_systemGet a more detailed answer ›
Oygenation: The short answer is that the lungs oxygenate the venous blood. ...Read more
Embryo: This is a transient anatomic structure that occurs during cardiac development. A form of atrial septal defect (10% of ASD) can involve imperfect maturation of the heart with pathologic communication between the right atrium (collector of deoxygenated blood from the body, vena cavae and pulmonary veins usually resulting in L to R shunt (oxygenated blood diverts to R side of heart). ...Read more
Upper respiratory: structures include the sinuses, nasal passages, throat, pharynx, tonsils and vocal cords. Other than allowing passage of Oxygenated air, it is rich in mucus glands to protect the airway from viruses and microbes, It is also rich in immunologic cells to combat microbes. ...Read more
Large intestine: The colon (large intestine, large bowel) removes water, salt, and some nutrients forming stool. Muscles line the colon's walls, squeezing its contents along. Billions of bacteria coat the colon and its contents, living in a healthy balance with the body. Ref: http://www.webmd.com/digestive-disorders/picture-of-the-colon#1 ...Read more
Cv system: The cardiovascular system circulates blood and nutrient through the body and maintains the dynamic forces needed to do that. ...Read more
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