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.When given an image of a cardiac contractile cell, such as the one below, describe the steps that occur during excitation-contraction coupling (the "before step 1" step show with the squiggly red arrow blow), contraction (steps 1-6 below) AND relaxation (steps 7-10 belowl). Be sure to fully describe the role of Cat2 ATPase and NatCa2 exchanger (NCX) in steps 9 and 101 ECF ICF SR Ca2+ RyR Catt sparks Cat signal Contraction 2K+ 3 Nat Catt ATP NCX 3 Nat Ca²+ Sarcoplasmic reticulum (SR) Cal stores 면 ATP Ca²+ Cat wu L-type Ca channel T-tubule Relaxation Actin Myosin

.When given an image of a cardiac contractile cell, such as the one below, describe the steps that occur during excitation-contraction coupling (the "before step 1" step show with the squiggly red arrow blow), contraction (steps 1-6 below) AND relaxation (steps 7-10 belowl). Be sure to fully describe the role of Cat2 ATPase and NatCa2 exchanger (NCX) in steps 9 and 101 ECF ICF SR Ca2+ RyR Catt sparks Cat signal Contraction 2K+ 3 Nat Catt ATP NCX 3 Nat Ca²+ Sarcoplasmic reticulum (SR) Cal stores 면 ATP Ca²+ Cat wu L-type Ca channel T-tubule Relaxation Actin Myosin

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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When given an image of a cardiac contractile cell, such as the one below, describe the steps that occur during excitation-contraction coupling (the "before step 1" step show with the squiggly red arrow below), contraction (steps 1-6 below) AND relaxation (steps 7-10 belowl). Be sure to fully describe the role of Ca¹² ATPase and Na+Ca+2 exchanger (NCX) in steps 9 and 101 ECF ICF SR Ca2+ RyR Cat sparks Ca signal Contraction Ca channel T-tubule 2 K ATP ATP 3 Na Ca²+ Sarcoplasmic reticulum Cat stores (SR) 3 Nat Ca NCX Relaxation Ca2+ Actin Myosin
Transcribed Image Text:When given an image of a cardiac contractile cell, such as the one below, describe the steps that occur during excitation-contraction coupling (the "before step 1" step show with the squiggly red arrow below), contraction (steps 1-6 below) AND relaxation (steps 7-10 belowl). Be sure to fully describe the role of Ca¹² ATPase and Na+Ca+2 exchanger (NCX) in steps 9 and 101 ECF ICF SR Ca2+ RyR Cat sparks Ca signal Contraction Ca channel T-tubule 2 K ATP ATP 3 Na Ca²+ Sarcoplasmic reticulum Cat stores (SR) 3 Nat Ca NCX Relaxation Ca2+ Actin Myosin
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