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Respiratory System. Respiratory Functions. I.  Provide surface area for the diffusion of gasses A.  Oxygen (To be transported to the cells for aerobic respiration) B.  Excrete carbon dioxide II. Warm, moisten, and filter inspired air. Respiratory Organs. Breathing structures

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respiratory functions
Respiratory Functions

I.  Provide surface area for the diffusion of gasses

A. Oxygen (To be transported to the cells for aerobic respiration)

B. Excrete carbon dioxide

II. Warm, moisten, and filter inspired air

respiratory organs
Respiratory Organs
  • Breathing structures

Nose (Filters air)

Sinuses (Warm and moisten air)

Pharynx

Trachea

Lungs

a.      Bronchi

b.     Bronchioles

c.      Alveoli

respiratory organs1
Respiratory Organs

Accessory structures

Diaphragm

Contraction results in inhalation

Relaxation results in exhalation

Vocal cords

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