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#Ventilation operates through a series of active and passive forces
poorly-drawn-mdzs
·
7 months
Text
At rest, your lungs wish to deflate, and your ribcage expands outwards.
#better drawn mdzs
#mdzs
#wei wuxian
#yiling laozu
#Happy Friday the 13th!
#This is scientific fact btw!
#Ventilation operates through a series of active and passive forces
#The active forces being muscular contraction with inhalation and exhalation having their own set of muscles.
#but the interesting part is the passive forces at work:
#The lungs have a certain level of elasticity to them - meaning the more they expand the more the those elastic forces are functioning-
#-to try and return the system to rest (exhalation passive forces). Your diaphragm is the main force - pushing against the lungs at rest.
#Your ribcage on the other hand is under a state of being pulled outwards. It *wants* to be as open as possible.
#These to contradicting forces create a constant push and pull which assists in the ebb and flow of air. Most significantly with exhalation.
#Now that being said - the primary action of inhalation ventilation is through control centers in your brainstem.
#If you lose connection to that due to trauma you're going to need ventilation assistance.
#Small note: Respiration is the cellular event of chemical exchange in the alveoli. Ventilation is airflow and pressure.
#They are both important but also very different things. Sadly used interchangeably.
#My anatomy nerd brain is screaming over the inaccurate ribcage...but its...recognizable. I will get it right one day.
#Okay nerd rant over (I cut out a lot of stuff about pressure gradients. They are cool. To me.)
#This is a redraw of an mspaint doodle I made back in april. I yearn to make the Yiling Laozu eerie as he deserves
#Tear that bitch (affectionate) apart!
#Been playing around with hatching for a while and its amazing how many styles there are! Not sure I'll stick with this one (but it was fun)
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