A trip through the human body – II

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Exploring the Human body

Taking up where we left off in Part I – the Circulatory system, let us explore the respiratory system today

 Your respiratory system includes the

1 – lungs
2 – trachea
3 – bronchi
4 – diaphragm 

and works closely with your heart and circulatory system.

When you breathe in, the air passes through your nose and mouth and down into your lungs through your windpipe.

Inside your lungs, the air eventually winds up inside 600 million tiny sacs called alveoli. It is in these air sacs that oxygen is transferred to the blood and carbon dioxide is removed from the blood.

The oxygen-rich blood goes back to your heart and the carbon dioxide is exhaled out of your body.

Respiratory System Conditions

The most common respiratory system problem is the common cold. This infection can be caused by more than 200 different types of virus.

Pneumonia is a viral or bacterial respiratory infection that gets into your lung tissue.

Asthma is a narrowing of the lung passages that may be caused by allergic reactions to triggers such as dust, pollen, or pet dander.

Smoking is one of the worst things you can do to your respiratory system. Smoking can cause bronchitis, which means there’s too much mucus in your lungs, as well as asthma, COPD, and lung cancer.

Continued tomorrow…

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