Respiratory system Flashcards
parts of the upper
nose, nasal cavity, mouth, pharyns, and laryns
parts of lower
trachea, lungs, and bronchial tree
what is the airway line with
cilia
purpose of cilia
to trap debris and microbes and sweep them back towards the mouth
where does air exchange occur
alveoli
how many lobes does the right lung have
3
lobes of left lung
2
what keeps the lungs from creating friction
pleural membrane
3 things that happens to air
warmed, moistened, and filtered
where are chemoreceptors located
the nasal cavity
hyperventilation causes
alkalosis and increases blood pH
slow breathing causes
acidosis and lowers blood pH
what happens during breathing
diaphragm and muscles contract to expand the lungs
what controls breathing
medulla oblongata
what monitors the CO2 levels
medulla oblongata