Lungs

In: Science

Submitted By sherimah
Words 874
Pages 4
How the lung works before and after a
Spontaneous Pneumothorax

How the lung works before and after a Spontaneous Pneumothorax

Do you know that you breathe anywhere between 15 to 25 times per minute? It might not seem so but we do, it even goes higher when you exercise. The lung is located within your chest cavity inside the rib cage. They are made of spongy, elastic tissue that stretches and constricts as you breathe. The airways that bring air into the lungs (the trachea and bronchi) are made -of smooth muscle and cartilage, allowing the airways to constrict and expand. The lungs and airways bring in fresh, oxygen-enriched air and get rid of waste carbon dioxide made by your cells. They also help in regulating the concentration of hydrogen ion (pH) in your blood (www.howstuffworks.com). When you inhale the diagram and the muscles between your rib cage contracts and expand the chest cavity. This pressure inside the chest cavity is now lower than the outside air pressure. The airs then flows thorough the airways and inflates the lungs. During exhalation, the muscles and the diaphragm relax and the chest cavity gets smaller. The decrease in volume of the cavity increases the pressure in the chest cavity above the outside air pressure. Air from the lungs then flows out of the airways to the outside air. The cycle then repeats with each breath.
There are many- common conditions that can affect your lungs. Diseases or conditions of the lung fall mainly into two classes -- those that make breathing harder and those that damage the lungs' ability to exchange carbon dioxide for oxygen. Some of them include asthma emphysema, bronchitis, pneumothorax, apnea, and trauma. For the purpose of this project I will be discussing how a pneumothorax affects your lungs.
A pneumothorax is a collapsed lung. Pneumothorax occurs when air leaks into…...

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