Anatomy/ Physiology: Respiratory System Flashcards
Respiratory System
Respiration: process of breathing
Provides O for body to metabolize fuel into energy
Upper Airway
Nose Mouth Tongue Jaw Oral cavity Larynx (dividing line between upper/lower) Pharynx
Nasopharynx
Space behind nose
Warm, filter, humidify air entering
Oropharynx
Space behind mouth
Epiglottis
Leaflike valve, covers trachea
Trachea
Windpipe
Connects Pharynx to Bronchi
Anterior to Esophagus
Larynx
Voice box
Generate sound by passing air through vocal cords
Tiny muscles control tension of vocal cords
Lower Airway
Adam's Apple/ Thyroid cartilage Cricoid cartilage (Sellick maneuver) Cricothyroid membrane (needle airway device) Trachea Carina Bronchi Bronchioles Alveoli
Thyroid cartilage/ “Adam’s apple”
Anterior part of larynx
Cricoid cartilage
Inferior to Thyroid cartilage
Spot for Sellick maneuver (maintain proper airway)
Criothyroid membrane
Between Thyroid and Cricoid cartilage
Landmark for needle airway device
Trachea (lower)
5" long Semi-rigid, rings of cartilage Anterior to Esophagus Connects Pharynx to Bronchi Holds Lungs in place
Carina
Where Trachea divides into Bronchi
Bronchi
Two main stems off Trachea
3 in Right
2 in Left
Each Bronchus to one lobe of the lungs
Bronchioles
Further division of the Bronchi
Between Bronchi and Aveoli
Alveoli
700 million
Grape-like sacs
Exchange of carbon dioxide and oxygen through tiny blood vessels
