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Respitory System !

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Komal Rajtoor

on 22 May 2014

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Transcript of Respitory System !

How it works

As both our right and left lungs expand and contract, they send the oxygen we need to survive throughout our bodies, as well as remove the waste, carbon dioxide. Our lungs are a pair of air filled organs that allow us to breath.

When breathing, your body receives help from a large, important muscle under your lungs called the diaphragm. As you breath in, it will contract downwards, creating a vacuum that causes a big rush of fresh air to travel into your lungs. As you exhale, your diaphragm will relax upwards, pushing on your lungs and allowing them to deflate.

Name and Location of the organs
Dependency of other systems
Overall function of the System
The overall function of the respiratory system is to deliver oxygen through our blood streams, into our heart and to all the other parts of our body. The respiratory system does this through breathing. When we breath, we inhale oxygen and exhale carbon dioxide. The respiratory system makes sure that the body receives enough oxygen so that it cancels out the amount of waste or carbon dioxide in our body.
Respiratory System
Change of Oxygen and Carbon Dioxide
Systems that depend on this system
One system that depends on the respiratory system is the circulatory system. The circulatory system is the blood flow in our body which needs oxygen so it can replace the waste material (carbon dioxide)in the blood stream. Then the carbon dioxide is carried back into the lungs so that when we exhale the waste material (carbon dioxide) is let out into the atmosphere.

The air that you inhale when breathing, will enter your body through either your nose or your mouth. It will then go down the very back of your throat and into your trachea, which is also known as your windpipe. After the air has passed through your trachea, it soon splits the inhaled air into air passageways, called bronchial tubes. As the air keeps traveling, your bronchial tubes will eventually divide into smaller air passageways, called Bronchioles.
When you inhale the oxygen, it enters the lungs and reaches the alveoli. The alveoli is located in the lungs. Oxygen passes quickly through this air-blood barrier into the blood in the capillaries. Capillaries are any of the fine branching blood vessels. Carbon dioxide passes from the blood into the alveoli and is then exhaled. Then, the oxygenated blood travels from the lungs through the pulmonary veins and into the left side of the heart, which pumps the blood to the rest of the body.
As the air continues to travel, the bronchioles will end at many little air sacks called alveoli. The oxygen from the air will pass through the walls of the alveoli and flow into the blood vessels that surround the alveoli, known as capillaries.

Once the oxygen from the inhaled air has been absorbed by your blood, it will then move on to your heart, exiting your lungs. Your heart is a major organ that will always provide oxygen for your entire body by pumping your blood, as long as you keep breathing. Most cells use this oxygen, so waste is produced, also known as carbon dioxide. To remove this waste from your body, this whole process will go backwards, allowing the carbon dioxide to exit your body when you exhale.
Other than carbon dioxide, your cells will also produce mucus in different areas of your body, such as your trachea and bronchial tubes. Mucus will ensure that your air passageways are moist, clean and will prevent harmful substances like dust, bacteria and various viruses. However, sometimes different harmful substances can reach deeper areas of your lungs, so they will be moved up and out of your system with mucus, being coughed or sneezed out.

The air that you breath in can be contaminated with various harmful substances, so cilia will also help to prevent any of these substances from entering your lungs. Cilia, also known as nose hairs, are found in places like your nose and many of the air passageways located inside your lungs. Cilia move in a swaying motion, allowing them to filter our bodies and keep everything clean.
Everything in the human body is connected in some sort of a way so, each system in a way depends on another. The respiratory system in a way depends on the circulatory system. Since the circulatory system controls the blood streams as well as our heart. It works with the respiratory system in quite a way. Without the heart pumping blood throughout our body we wouldn't be living but, in order for the heart to pump blood and work it needs oxygen which you inhale when you breath. Everything works vise versa, if we weren't able to breath our heart wouldn't work, if our heart didn't work we wouldn't be able to breath. Another system that the respiratory system depends on is the skeletal system. The skeletal system helps protect some of the major organs in the respiratory system. Ex. Our rib cadge helps protect our lungs.

Cystic Fibrosis
is a genetic disease that affects young children.

The cause of it is the deletion of the Cystic Fibrosis transmembrane conductance regulator on chromosome 7. When the DNA divides, it doesn't divide properly and the deleted gene causes lung cells to absorb too much salt and water which causes mucus to fill up air-pipes.
One Disease That Effects The System
- you start to have difficulty breathing
- you start to get constant lung infections
- pneumonia
- frequent cough with thick mucus
- frequent sinus infection
- unable to gain weight
- swelling in the nose
- constant tiredness and many more

Doctors diagnose this by administering a sweat test, a genetic test, or a blood test.

Possible treatments are medication to treat infections and swelling, airway clearance which takes out mucus from the airways, or lung transplant but there is NO CURE.

1/3600 Canadian children are born with this disorder and 1/25 Canadians are carriers.
Individuals with this disorder usually don't live past young adult hood and if not diagnosed then kids usually die before their 5th birthday. But today's treatments allow diagnosed individuals to live to be in their 20's and 30's.
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