respiratory 3 Flashcards
during internal exchange, gases move by ___
diffusion
gases move through ___, then ____
epithelium/ capillary
during internal exchange, partial pressures of gases can overcome diffusion ____
gradient
internal exchange has high ___, and deep ____
altitude/ waters
O2 is poorly ___ soluble
water
gases are transported by ____
hemoglobin
___ is surrounded by protein that ___ O2, but can’t ___ with O2
iron/ attract/ bind
___ is water soluble
CO2
carbon monoxide is ___ water soluble
poorly
the body can’t measure ___ concentration
O2/CO2
the body measures ____ of blood
pH
There are how many carotid bodies?
2
how many aortic bodies?
1
high pH indicates ___ CO2
low
low CO2 ___ breath rate
decreases
low pH indicates ___ CO2
high
high CO2 ___ breath rate
increases
CARBON MONOXIDE blocks O2 ___ by hemoglobin
absorption
