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  • When you breathe out, or exhale, your diaphragm relaxes and moves upward into the chest cavity. The intercostal muscles between the ribs also relax to reduce the space in the chest cavity.
  • That's a very complex process!
  • As the space in the chest cavity gets smaller, air rich in carbon dioxide is forced out of your lungs and windpipe, and then out of your nose or mouth.
  • Woah!! I didn't know the human body can process like that!
  • As the space in the chest cavity gets smaller, air rich in carbon dioxide is forced out of your lungs and windpipe, and then out of your nose or mouth.
  • Now, I understand how this breathing process works. But, how is it related to me having difficulty in breathing?
  • Breathing out requires no effort from your body unless you have a lung disease or are doing physical activity. When you're physically active, your abdominal muscles contract and push your diaphragm against your lungs even more than usual. This rapidly pushes air out of your lungs.
  • So that explains why I'm having difficulty in breathing this past few days? 
  • If you've been doing strenuous activities for the past few days, then it might be because of that. 
  • Oh, yes i remember doing the laundry and cleaning the house all in one day, it must've tired me too much that it made me breathe difficultly. 
  • Well, now you know that tiring yourself too much will make your breathing a lot more harder than usual. Please don't tire yourself too much.
  • I will surely take note of that. Thank you so much for that wonderful explanation, Dr. Martin! Now I know how the breathing process of our body works and how our daily activities can affect it. 
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