2-1 respiration Flashcards
respiration
gas exchange between an organism & its environment
breathing
process of moving air in & out of the lungs
boyle’s law
as the volume of the container increases, the pressure decreases
how does pressure flow
from high to low pressure
from high to low concentration
upper respiratory tract
nose
nasal passage
pharynx
lower respiratory tract
larynx
trachea
bronchi
lungs
what lines the respiratory passage ways
pseudostratified columnar epithelial tissue
produces mucous, moved around by flagella, lines the tract to trap any debris or unwanted particles
trachea
tube w/ structure - provided by rings of cartilage
cartilage = protection & keeps tubes open
mainstream bronchus
splits off the mainstem
1 goes to right lung & 1 goes to left
secondary bronchus
each goes to a separate lobs of the lungs
tertiary bronchus
each goes to a different segment of the lungs
bronchiole
gets air to the alveolus through the alveolar duct
alveoli
little sack/pocket of air where respiration actually occurs
lined with epithelial tissue
how do diseases affect respiration
inflammation of respiratory passageway - tube size decreases, moves less air in & out of the body
affects elasticity of lungs - unable to inflate lungs as much
fluid in lungs fills alveoli, liquid slows down respiration
main principle of the lungs
respiration & breathing
transport oxygen & remove excess carbon dioxide
