Respiratory System test Flashcards
what are lungs with air sacs called?
alveoli
organs of the respiratory system include:
nose, pharynx, larynx, trachea, bronchi, lungs with air sacs
function of respiratory passageways?
purify, humidify and warm incoming air
function of alveoli
exchange gases (CO2 and oxygen) with the blood
what does the nose (with naval cavity) contain?
sticky mucus to moisten air and trap bacteria and debris
ciliated cells move _______ toward the _______ to be ___________.
contaminants
throat
swallowed
pharynx is _________.
throat
pharynx is common __________ for _______ and ______.
passageway
food
air
pharynx contains the _______.
tonsils
Larynx is the ________.
voice box
larynx routes _____ and ______ into the proper ________ and plays a role in _______.
food
air
channels
speech
Larynx contains the…
Adam’s apple, epiglottis and vocal cords
function of the epiglottis?
opens during breathing but closes larynx when you swallow food.
what moves up to close the trachea?
larynx
function of vocal cords?
vibrate with expelled air and allow speech
trachea is the _________.
windpipe
in trachea ______________ lines with ___________ and reinforced with _____________ which keep the _______ open.
smooth muscle tube
ciliated muscle
C-shaped cartilage rings
lumen
bronchi are..?
right and left tubes that go into the lungs
right bronchi is _______, _______ and _______ than left so more ________ ________ get lodged here
wider shorter straighter inhaled objects
bronchi branch into _______ and ______ tubes
smaller
smaller
what are the smallest tubes?
bronchioles
function of bronchioles?
connect air sacs (aka alveoli)