• Home
  • University of Washington
  • Introductory BiologyBIOL220
  • Introductory Biology

Introductory Biology

Thunda wali Lemssridge dos not conkibut to fou,hig compesit betavoy #oF AP Re)eqSe of Catt CCatt)incriqees dsteudy-gtute Ly nvuiag Vacke ATP bindiny Qnd dSxoclaK'ng b churglng & myosin ATP - APP-P: Isomemic -samfongh TXj j0 junOwr t= dojp6A9 jo fUnoUF A lot overlap-2touching wall Moderat 1l -7 Lood for rxpy oh jF1nd ypnw fau FdmpoAo mj The hantbrat oniginates in Hhe cardac muscle simulalion tom fe aervou, syshem # Jacemakor colb do not contract muscle cell Hat do contrack Cava and nal amivm Pacemaker potenhal i mmbant potanhal hibra At ot SAndo Diasholic : as moc Pull hydur h omeys hg Spac in bohueen longy(or shorter, not chcanging AP butps! chengjagHedrate Cannofehangearbbve HresLoll CO= HR X sVa 7Ox7Oa N 5lof6nd sV = EbV-ESV 70 135-65 Bamboo ) bta Requlabe T Eneryy ) wllulur nispivahon PANDA mufabOLize aulo regulalony nechanism Hhat alter He cbistanu of aren'es and arten'oles tuding capillady beds Bolk ot thest provide intomahion fo He contnl ot nauralrasponses Hat rehurm blood pressure and composiion b jao-ml Artzjes and outen05 an innervauted by aulohdmiL nervbus system (aympallahic pathway) 7 HE binds to receptors on Smooth mvscle ih Llood viss2k and consm'cf tLm -7 recucec blood f|ow v f MAP Sympatheb'c achvity alo inccecsts Recurt rate r foru of contracHion which qlso7 sV =) zympatltic achvahon7Php Adares Aubonomic nervous system onq'nates in a cardiovascular control center iv medulla (many inputs converge Lere and intluene command ibsues via sympatuhc or paranympclheHc +InctRasacl achivi ty h bacorecaphors : nsing blcoel pressuct z) inhihif 9ympateh`c mervovs system signalag h artumss tatonole; Hus 7 parasympathHc fopaulmaker =) Heart rate S(ows ,aptunoles di(atg -i U B