Respiratory
System
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Description:
With this video you can learn about the respiratory
system, its parts (nose, mouth, pharynx, lungs...), and its purpose.
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Transcription:
Systems of the Human Body!
The Respiratory System
The respiratory system is in charge of breathing.
Through the nose or mouth we obtain oxygen, which passes
through the pharynx, larynx, and trachea to the lungs.
In the lungs, oxygen is exchanged for carbon dioxide.
The red blood cells are responsible for carrying
oxygen to all parts of the body.
Carbon dioxide is a harmful substance that we have to
eliminate from our body by going back out the way we came in, from the lungs to
the nose or mouth.
Carbon dioxide is eliminated from the body without us
even realizing it.
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Questions:
1. What is the primary function of the respiratory
system?
2. How is oxygen transported to different parts of the
body?
3. Why is it important to eliminate carbon dioxide
from the body?