Problem: Cardiac Function
1. Describe the structure of a cardiac muscle tissue, compare to skeletal muscle tissue, highlighting structural differences and their physiological significance.
2. What is a "pacemaker potential"? Include the type of cell where it occurs, a description of the waveform and the significance of its shape & the ion channels required for a pacemaker potential to occur.
3. Specifically, how does the pacemaker potential differ from "resting membrane potential". Do pacemaker cells ever maintain a resting membrane potential?