Physiology 3120 Lecture Notes - Lecture 19: Pulmonary Artery, Arteriole, Aorta

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Staak Letue 
NOTE: fall i pessue does ot ea deease i MAP!! ofused studets
-slight pessue dop i lage ateies, lage pessue dop i sall ateies, huge pessue dop
i ateioles, pessue dop i apillaies so o ..
-lage pessue dop = oe esistae keep i id
Aota/lage ateies
-e little esistae = e little pessue dop thus pessue eais high
-BP is pulsatile ie: goig up ad do ith eah adia le so heat otats ejetig lood =
sstoli pessue Hg ad the heat elaes = diastoli pessue Hg
-lage ateies e opliat ie: steth easil hih is ipotat to ithstad the high
pessue
-ith eah otatio, SV of L of lood etes aota hih is ol . i diaete so
has to steth out to aoodate all the lood
-high pessue is aitaied thee eause these ae distiutio essels helpig to distiute
lood thoughout sstei sste
Sall Ateies
-sall pessue dop eause esistae to lood flo stats to iease eause . essels
gettig salle ad . eause essels ae ot as opliat
-also ot as pulsatile
Ateioles
-iggest pessue dop eause hae highest esistae that lood eoutes aouts fo half
the total esistae peset i sste iulatio
-ot eal as opliat eause thik alls ade up of sooth usles
Capillaies
-still hae it of pessue dop due to oe esistae eause diaete is e sall
Veous Ciulatio
-it of a pessue dop esp. i eules so sall aout of esistae
-pessue is etee -Hg he it etes heat
-eis otai ost of total lood olue thus alled apaitae essels
-this high esistae i ateioles is e ipotat as it helps aitai the high pessue i
aota/lage/sall ateies hih helps distiute lood to all ogas
-p. puloa sste to sstei iulatio
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