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c) What are the functions of the respiratory system?

d) Through which structures does air pass as it travels to the lungs?


Sagot :

Final answer:

The functions of the respiratory system and the structures air passes through to reach the lungs are essential for gas exchange and overall body function.


Explanation:

Major Functions of the Respiratory System:

  • Gas Exchange: Oxygen in, carbon dioxide out
  • Filtration: Removal of particles and microbes
  • Regulation: Acid-base balance and blood pressure control

Structures Air Passes Through to Lungs:

  • Nasal Cavity
  • Pharynx
  • Larynx
  • Trachea
  • Bronchi
  • Bronchioles
  • Alveoli

Gas Exchange Process:

Oxygen and carbon dioxide swap between blood and lungs at the alveoli.


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