Lungs Functions -human respiratory system- Asthma (overview).
The lungs are the main organ for the respiration they consists of the cluster of bronchioles and alveoli blood vessels and elastic tissue their main function is the transfer of oxygen into the bloodstream and to excrete the carbon dioxide into the air in short this is word oxygen is exchanged for carbon dioxide.
IN OTHER WORDS:
You can live for two weeks without food two days without water but only two minutes without air every single organ in your body is made up of cells and they all require oxygen for you to live. Your lungs is the part of respiratory system a group of organs and tissues that work together to help your breathe the respiratory system’s main job is to transport oxygen and remove extra carbon dioxide. Dome shape wall of muscle does not must of the breathing work by expanding and contracting the chest to draw in and out of your lungs when the diaphragm contracts air is pulled into your airway through your nose and mouth air then travels down your airway or trachea dividing into two right or left lung via the bronchi. The bronchi subsequently divide into tiny tubes known as bronchioles, which resemble tree branches.Bronchioles divided into thousands of even smaller passages at the end of each bronchiole are a cluster of little air sacs called alveoli. Alveoli are wrapped in tiny blood vessels called capillaries the air you breath in fills these air sacs with oxygen –rich. We must get rid of waste gas at the point the capillaries are packed with carbon dioxide and the alveoli are the full of oxygen. oxygen crosses over from the alveoli into the capillaries where the red blood cells capture it at the same time carbon dioxide passes from the capillaries into the air sacs where it can be removed the oxygen rich blood cells are transported throughout the body and the lungs exhale the carbon dioxide never ending cycle keeps all parts of the body supplied with oxygen your lungs have developed a few defenses against constants exposure to particles in the air that you breathe in your bronchioles tubes are lined with cilia thin little hairs and coasted with mucus to capture these unwelcome intruders and sweep the mucus-coated particles back up to your throat until you cough sneeze or swallow to get rid of them all day every day your lungs repeat this critical job of keeping your body supplies with the oxygen you need that’s why we say when you cannot breathe nothing else matters.
LUNGS DISEASES: ( ASTHMA )
Asthma: comes from the Greek word (PANTING) which makes sense because it cause chronic inflammation of the airways, making them narrow and more difficult to breathe through. Peoples with asthma can have asthma exacerbation or asthma attacks, which are usually triggered by something in the environment which causes immune cells to generate inflammation in the lungs which can make them even narrower and potentially by life-threatening. In the bronchioles you’ve got the lumen, the mucosa, which includes the inner lining of epithelial cells, as well as lamina propria, and the submucosa which is where the smooth muscles lives.
Cause: the exact cause of asthma is unknown. Genetic and your environment likely play a role in who gets asthma. When you are exposed to an asthma trigger, an attack with asthma may occur. An asthma trigger is a substance or situation that might aggravate your asthma symptoms.
Different forms of asthma can be brought on by many triggers:
Allergic asthma is caused by allergens. Allergic reactions are brought on by allergens. They can include:
· Dust mites
· Mold
· Pets
· Pollen from grass, trees and weeds waste from pests such as cockroaches and mice.
Triggers that are not allergens are what induce non-allergic asthma,
like
· Breathing in cold air
· Certain medicines
· Household chemicals
· colds and the flu, among other infections
· Outdoor air pollution
· Tobacco smoke
Occupational asthma is brought on by breathing in industrial dusts or chemicals while working. Exercise causes exercise-induced asthma, especially when the air is dry.
Asthma triggers may be
different for each persons and can change over time.
The Symptoms of asthma include:
· Chest tightness
· Coughing, particularly late at night or in the morning
· Shortness of breath
· Wheezing, which cause at whistling sound when you breath out
These Symptoms can range from mild to severe. You may have them every day or only once in while.
The symptoms of an asthma episode significantly worsen. The assaults could start out slowly or unexpectedly.
Sometimes they can be life-threatening. They seem to occur more often in those with severe asthma. If you are experiencing asthma episodes, your medication may need to be changed.
Your healthcare professional and you will collaborate to develop a treatment plan if you have asthma.The strategy will include how to control your asthma symptoms and stop asthma episodes.
It Will include:
-Strategies to avoid triggers. For example, You shouldn't smoke or let others to smoke in your house or vehicle if tobacco smoke triggers your symptoms.
-Short-term relief medicines, also called a quick relief medicines. They may help prevent symptoms or relive symptoms during an asthma attack.
-Control medicines. You take these daily to aid with symptom prevention. They function by reducing airway inflammation and avoiding airway constriction.
PHARMACY
Until your asthma symptoms are under control, your doctor may change your course of therapy. When asthma is severe, other therapies may not be able to control it. In some circumstances, if you are an adult with uncontrolled asthma, your healthcare professional could recommend bronchial Thermoplasty. This is a procedure that uses heat to shrink the smooth muscle reduces your airway’s ability to tighten and allows you to breathe more easily. Risks associated with the operation should be discussed with your doctor.
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