Midterm1

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What is primary function of the respiratory system?

continuous exchange of gases between the body cells and the atmosphere by the process of ventilation.
The term respiration refers to ?

to the cellular process of producing energy, not the mechanical process of moving air into and out of the lungs (breathing
What is largest organ besides the skin?

respiratory tract
What are harmful material we inhaled?
- Pathogens:
- Allergens
- Airborne pollutants: