Structures
windpipe
trachea
Function of the respiratory system: supplies ______
oxygen
energy used for processes occurring in a living organism
metabolism
organ within pleural cavity
lungs
number of alveoli in the lungs
300-500 million
voicebox
larynx
gases involved in respiratory gas exchange
CO2 and O2
flow of air in and out of the lungs
ventilation
thin walled air sac
alveoli
dome shaped sheet of muscle
diaphragm
pulls air into the body
nose/mouth
Function of the respiratory system: eliminates ______
carbon dioxide
training at high elevation
altitude training
tubes connecting to each lung
bronchial tubes
ribs move outward and diaphragm moves down during __________
inspiration/inhalation
hollow structure regulating air temperature and humidity
sinus
respiratory membrane
gas exchange between atmosphere and alveoli
respiration
connects the nose/mouth to larynx
pharynx
resting respiration rate
12-16/20
where gas exchange occurs
alveoli
gas exchange occurs between these two structures
alveoli and blood vessels
the pathway of air from the nose to the alveoli
respiratory tract
smaller tubes connecting to alveoli
Bronchioles
having lower than necessary oxygen levels
hypoxic