BIO 115- Respiratory f09 - Respiratory System A. General...

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Respiratory System A. General Characteristics Function: Supply cells w/ O 2 & Dispose of CO 2 Steps: 1. Pulmonary ventilation: Breathing 2. External respiration: (Moves O 2 from lungs to blood) 3. Transport of respiratory gases
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3. Transport of respiratory gases (CO 2 2 in blood) 4. Internal respiration (Moves O 2 or CO 2 from cells to blood)
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3. Transport of respiratory gases (CO 2 2 in blood) 4. Internal respiration (Moves O 2 or CO 2 from cells to blood) B. Structures 1. Nose a. External nares
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3. Transport of respiratory gases (CO 2 2 in blood) 4. Internal respiration (Moves O 2 or CO 2 from cells to blood) B. Structures 1. Nose a. External nares b. Nasal cavities (R/L) Coverings
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b. Nasal cavities (R/L) Coverings - Hair - Olfactory mucosa- Smell - Respiratory mucosa - Venous plexus (Warms air) Conchae- 3 marks in lateral wall - Create turbulence in air
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- Respiratory mucosa - Venous plexus (Warms air) Conchae- 3 marks in lateral wall - Create turbulence in air 2. Pharynx (throat) a. Nasopharynx b. Oropharynx c. Laryngopharyx
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- Respiratory mucosa - Venous plexus (Warms air) Conchae- 3 marks in lateral wall - Create turbulence in air 2. Pharynx (throat) a. Nasopharynx b. Oropharynx c. Laryngopharyx 3. Larynx - Provides open airway - Made out of cartilage (structures)
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3. Larynx - Provides open airway - Made out of cartilage (structures) * Voice production
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This note was uploaded on 06/06/2011 for the course BIO 115 taught by Professor Chen during the Fall '09 term at Moraine Valley Community College.

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BIO 115- Respiratory f09 - Respiratory System A. General...

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