Final: Overview of Respiration (DO THIS 1st) Flashcards
in alveoli __ enters blood from alveolar gas; __ leaves blood for gas
O2, CO2
in tissues __ leaves blood for tissues (by way of interstitial space); __ enters blood from tissues
O2, CO2
internal respiration consists of use of __ and production of ___ by cells
O2, CO2
gas exchange between interstitial fluid and cells is what type of respiration?
internal
pulmonary ventilation works by a ______ gradient
pressure
if you increase the volume you ______ pressure, and if you decrease the volume you ______ pressure
decrease, increase
how are the visceral and parietal pleura held together
by surface tension
during ventilation, the diaphragm _____ and the external intercostals ____ the ribs
flattens, raise
if thoracic volume increases, lung pressure ______ and air _____ the lungs
decreases, enters
if the muscles relax the lungs pull _______ and the chest is also pulled ________
inward, inward
when lung volume is decreased, lung pressure is _______ and air ______ the lungs
increased, leaves
during inhalation, the intrapulmonary pressure is ___ and during exhalation it is _____
less than 0, greater than 0
what is the intrapleural pressure throughout the respiratory cycle
less than 0
lung volume raises during ______ and falls during _______
inhalation, exhalation
TLC
total lung capacity
IRV + VT + ERV + RV
