respiratory system test Flashcards
Smallest branches of the respiratory system tubes terminate in clusters of microscopic air sacs called
alveoli
Blood enters the long from the heart through a major artery known as the
Primary pulmonary
The mouth and nasal cavities me in a region known as the
Pharynx
Another name for your sense of smell
olfactory
Voicebox
Larynx
Windpipe
Trachea
Two primary tubes that branch from the trachea
Bronchi
lungs occupy the space of the
Thoracic cavity
left lung
2 lobes
right lung
3 lobes
Fluid filled linings that protect and lubricate the Lungs and thoracic cavity
pleura
Dome shaped muscle
Diaphragm
Provides the respiratory tract with a sweeping motion that tries to keep the breathing pathways clean
Cilia
nose functions
moistens air
warms air
filters air
nasal cavity mucus function
Traps microscopic degree
Tonsils function
Trap airborne infectious agents
Epiglottis function
sealing off the respiratory tract when food passes into the esophagus
Cartilage rings function
Support and hold open the trachea
Normal route air enters respiratory system
Nostrils
Openings from the nasal cavities
Sinuses
Two layer membrane that surrounds each lung
pleura
The primary bronchi that is slightly larger and more vertical
Right
Expansion of the lungs is due to
Contractions of the diaphragm
steps air takes
nostrils nasal cavity pharynx past the epiglottis larynx trachea primary bronchi lungs secondary bronchi bronchioles alveoli
