Respiratory system
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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 System

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Respiratory system

Respiratory System


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


Healthy lungs and smokers lungs

Healthy Lungs and Smokers Lungs


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