3 regions in the nasal cavity
Vestibular
Olfactory
Respiratory
Voice box
Larnyx
C shaped rings in the trachea are composed of what?
Hyaline Cartlage
Trachea walls are composed of what?
Alternate bands of membrane and c shaped rings of hyaline cartlage
Trachea is lined with...
Ciliated mucus membrane
The bronchius divides into what?
Left and right branches
What are at the end of the beonchioles?
Alveolar ducts
Alveoli
The ciliated mucus membanes and hyaline cartlage make up what?
Bronchi
Carilagineous plates make up what?
Bronchiol Tubes
Surfactant is where?
Alveoli
Capillarys line what?
The Alveoli
Lung tissue is what?
Spongy an porous
Has 3 lobes
Right lung
Has 2 lobes
Left lung
Thin moist slippery membrane that covers the lungs
Pleura
Where is pleura located?
The pleural cavity
Pleura is what walled
Double walled
What tussue is the diaphram
Muscular
O2 and CO2 exchange where?
Alveoli
Contracts intercoastal muscles and diaphram relaxes
Expiration
Intercoastals lift ribs outwards when this happens
Inspiration
The diaphram contracts
Inspiration
Passive
Expiration
Deep breath followed by an forceful explsion of air
Coughing
Diaphram spasm
Hiccups
Deep prolonged breath
Yawn
Increaces oxygen within the blood
Yawn
Breathing is controled by
Neural and chemical factors
The respiratory center is located in the what?
Medulla Oblogata
Phrenic nerve stimulates the what?
Diaphram
Vagus Nerve carries impulsed where
Frim the nose, Larynx, lungs, skin, and abdominal cavity
Rhythm of breathing can be changed by what?
Stimuli
Chemical factors depends of what?
The levels of CO2 in the blood
Sensitive to to the amount of blood CO2 located in the aorta
Chemoreceptors
Device that measures lung capacity
Spirometer
Amountnof air that moves in and out of the lungs with each breath
Tidal volume
Amount of air that is left in the lungs that can not be expelled
Residual volume
No breathing
Apnea
Diffucult, labored or painful breathing
Dyspnea
Difficult breathing when body is in horizontal position
Orthopnea
Rapid and shallow breathing
Tachypnea
Tapid breathing
Hyperventalation