Lab 2 Flashcards
Nasal Cavity- choncha 3 areas
superior
middle
inferior
nasal sinuses-2
frontal
sphenoid
oropharynx
connection point for digestive system
laryngopharynx
dividing point for respiratory and digestive
larynx cartilages-4
epiglottis
thyroid
cricoid
arytenoid
adam’s apple
thyroid cartilage
changes vocalization sounds
arytenoid cartilage
trachea cells
pseudostratefied columnar ciliated
goblet
right bronchi
3 lobes/lobular bronchi
branches at steeper angle
larger
10 tertiary bronchi
left bronchi
3 lobular secondary bronchi
more common for objects to get lodged here
8-9 tertiary/segmental bronchi
terminal bronchioles
smallest branches that have cartilage
respiratory bronchioles
begin gas exchange
alveolar ducts
branch off respiratory bronchioles
type 1 cells
simple squamous
gas exchange
type 2 cells
secrete surfactant
quiet breathing inhalation muscles-2
diaphragm, external intercostals
forced inhalation accessory muscles
sternocleidomastoid
serratus anterior
pectoralis minor
scalene muscles
forced exhalation muscles
internal intercostals
abdominals
tidal volume
amount of air moved in and out of lungs in a normal respiratory cycle 500ml
inspiratory reserve volume IRV
after normal respiration 3100ml
expiratory reserve volume ERV
after normal exhalation 1200ml
vital capacity
ERV+TV+IRV== 4800ml
residual volume
after max exhalation, minimal vol in collapsed lung 1200ml
total lung capacity
vital cap + residual volume= 6000ml