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The Lungs

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Cassie Rae

on 6 February 2013

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Transcript of The Lungs

The Lungs MAIN FUNCTIONS Taking a better look at the parts of the lungs: The Trachea The Trachea is an important airway in the respiratory system. The Ribs The Ribs are a series of 12 bones, to protect many of our vital organs, to support the muscle that circles our torso, and to give support to our spine. The Diaphragm The diaphragm is a dome shaped muscle in which plays a huge role in respiration. The Alveoli
The Alveoli is one of the many tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place. The Bronchioles The Bronchioles are the minute branches into which a bronchus divides. The Right Main Bronchus The Right Main Bronchus is a bronchus in which is a part of the respiratory system, and is much wider & shorter than the left bronchus. The Pleura The Pleura is a thin transparent membrane enclosing the lungs and lining the walls of the thoracic cavity. The Main Functions of the lungs are:

- The process of gas exchange, called respiration.
- In respiration, the lungs need to take carbon dioxide out of the bloodstream and replace it with fresh oxygen.
- The Lungs inhale oxygen to your body system, to allow you to breath. WHAT ARE THE LUNGS? The lungs are "pairs of organs within the rib cage, consisting of elastic sacs with branching passages into which is air drawn, so that oxygen can pass into the blood and carbon dioxide can be removed." WHAT HAPPENS IF ... What happens if the lungs don't work properly? After a certain amount of time, you will eventually die without a supply of oxygen to the body, because the lungs will not work properly to provide you with it. TRANSPLANTATION Can the lungs be transplanted or replaced with artificial lungs? In the case that someone has collapsed, defective, diseased or unhealthy lungs, they are able to have a successful lung transplant with replaced lungs from a donor. Most people get a heart transplant along with their lung, depending on which lung is damaged. Animals with the Lungs The Lion The Frog The Raccoon The Elephant INTERESTING FACTS - An average person breathes in around 11,000 liters of air every day. THE END Image of a collapsed lung: Another way to replace damaged lungs is by getting artificial ones. The lungs are replaced with a prosthetic device that is implanted into the body, and they function just as well as regular lungs. - The breathing rate is faster in children & women than it is in men. - Your left lung is smaller than your right one. - Your lungs are your only organs that can float on water. - The lungs are the largest internal organs in the body. Lungs are characteristics of vertebrates other than fish, though similar structures are located in some other animal groups. The lungs are located in the chest cavity of a vertebrate, taking up most of the space, and are nearly over the heart, sitting above the liver, stomach & kidneys. Location of the lungs in a human body: Lungs supply oxygen to your blood, and they also clear out carbon dioxide from the body. If they stop working, your blood loses oxygen and starts to build up an excess of waste carbon dioxide. Muscles and other tissues can survive a long period of time without a steady supply of oxygen, however, the brain cannot. A shortage of oxygen to the brain will cause the person to lose consciousness. If the oxygen supply is not rapidly restored you can suffer from serious brain damage for the rest of your life. Besides from humans, all vertebrates, other than fish, have the lungs. Some examples include: Humans and animals lungs are very similar. The only difference, is that animal's lungs have a spongy texture and have a much larger surface area in total, than the outer surface area of the lung itself. They both carry out the same function, and look pretty much the same overall. The Puppy The Monkey Breathing Process When you breathe, your diaphragm contracts, and flattens out. This allows your lungs to expand, and make room to fill them up with air. From there, you rib muscles move up, and outward, to make more space for your lungs. Your lungs are apart of the respiratory system. This is because the lungs take in oxygen, and give off carbon dioxide.
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