How does the respiratory system in man work ?
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Answer Posted / honeyvelle bas
The Respiratory system begins up top with the nose.
The nose is the body's humidification and filtering system.
The nose filters dirt and other particles that should not
get inside the body.
Those nose hairs catch it.
When we breath in, the nose is also a humidification system
so that the lungs don't dry out.
The mouth and the wind pipe come next.
The wind pipe is the trachea. Did you ever hear anyone say,
"oh that went down the wrong pipe..?" That is correct.
Food goes down the esophagus into the stomach, air goes down
the trachea into the lungs.
That is why people gag and cough when something goes down
the wrong pipe.
The lungs are not meant to have food in them.
Next the lungs do all of their work.
This is where all the air exchange takes place. The air goes
into the lungs this is where the gas exchange takes place.
The lung tissue is full of blood vessels.
The oxygen gets dropped off by the lungs into the blood
vessels while at the same time picking up the carbon dioxide.
You exhale to get rid of the carbon dioxide and inhale to
get the oxygen from the air into the body.
If there is some sort of blockage in the lungs that prevents
the lungs from dropping of the oxygen and picking up the
carbon dioxide, this can be considered to be lung disease,
illness or something acute, an emergency.
Examples of lung disease that make it difficult for air
exchange to take place include the following: emphysema,
cystic fibrosis, asthma, and empyema.
Examples of illnesses that happen to make breathing
difficult can be pneumonia or bronchitis.
Examples of something acute can be a foreign body such as
food or anything that we put in our mouths that we breath in
to our airway or aspirate. This can be a life threatening
emergency.
The muscle that helps the lungs breath is called the
diaphragm. Breathing is something that happens passively,
something that we don't even think about...that is unless it
is something that becomes difficult to do.
To summarize: The respiratory system works by getting the
good air in and the bad air out.
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