Gas Exchange Flashcards
1
Q
breathing - how and why?
A
exchanging gases in the lungs CO2 (waste) for O2 (cellular respiration)
physical movement of diagphram and ribs
2
Q
what is Oxygen used for…
A
cellular respiration in mitochondria produces energy from O2 e.g used by the muscles
3
Q
lungs
A
gas exchange happens here
inhale O2
exhale CO2
4
Q
4 ways in which lung tissues are adapted for gas exchange?
A
moist
thinner membrane
good blood supply
al-ve-o-li have large surface area
5
Q
diaphragm
A
muscle that moves up and down to inhale and exhale
