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Respiratory system (Terms (Respiration (Internal (exchange of gases…
Respiratory system
Terms
Inhalation-Inspiration
bringing air into lungs
Exhalation-Expiration
moving air out of your lungs
Respiration
Internal
exchange of gases between blood vessels & tissue cells
External
Exchange of gases between lungs & blood
Upper respiratory tract
nose to pharnyx
Respiratory
respiratory bronchioles to
alveoli
Lower respiratory tract
larynx to alveoli
Conducting
nose/mouth to
respiratory bronchioles
Anatomy of Larynx
vocal folds
they clap together and produce the basic sounds of speech
glottis
Is the opening between the vocal folds
larynx
Functions
voice production
make air/food go to the correct place
Provides an openairway
epliglottis
covers the opening of the larynx during swallowing
Gross/Microscopic Anatomy
Paranasal sinuses
Epithelial lining
pseudostratified ciliated columnar epithelium
Function
gives voice resonance
Features
ethmoid sinuses
sphenoid sinuses
maxillary sinuses
frontal sinuses
Pharnyx
Epithelial lining
pseudostratified ciliated columnar epithelium
nasal
stratified squamous epithelium
oral and larynx
Function
passage way for air, food and drinks
Features
connects oral and nasal cavities
Nasal cavity
Epithelial lining
pseudostratified ciliated columnar epithelium
helps sweep mucus
Function
Mucus membrane
to clean, warm & humidify the incoming air
Features
conchae-create turbulance
Increase the contact of incoming air with your mucosa
Anatomy of Bronchial Tree
Bronchi
Have cartilage
becomes less and less when they become smaller
pseudostratified ciliated columnar epithelium
large to smaller
Bronchioles
no cartilage
pseudostratified columnar epithelium
no mucus
less than 1mm in diameter
cells
Type 1 alveolar cells
Secrete surfactant
prevents alveolar walls from sticking together
simple cuboidal epithelium
macrophages
Controlling
Type 1 alveolar cells
simple squamous epithelium
pleura/lungs
their is a little less lung tissue on the left side
parietal cavity
filled with serous fluid
lung has 3 lobes: 2 on the right
Anatomy of Trachea
Function
Passageway for air to get to the lungs
Gross
Partial rings of cartilage
Anterior to the esophagus
pseudostratified ciliated columnar epithelium
Respiratory membrane
where oxygen and carbon dioxide are exchanged between the alveolus and the blood
The alveolar and capillary walls fused to form the membrane