Human Respiratory System Organs
The parts of the respiratory system work together during breathing. These parts are the nostrils, nasal cavity, pharynx, trachea, lungs, and diaphragm. When we inhale, oxygen-rich air enters the nostrils and passes through the pharynx and trachea before reaching the lungs. When we exhale, air contining carbon dioxide from the lungs first passes through the trachea, then through the pharynx, and finally reaches the nasal cavity. This air is expelled out of the body through the nostrils.
After completing this module, you will be able to:
- Name, recognize, and locate various parts of the respiratory system.
- Trace the path of air through the parts of the respiratory system.
- Organize and label the parts of the respiratory system.
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