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threshold is reached more quickly and heart rate would increase
Nodal or pacemaker cells.
They Are A Special Group Of Nerve Cells. Nerve Signals From The Brain Control The Pacemaker, Making It Go Faster Or Slower When Required. Specialist cells in the heart which have autorhythmicity.
Pacemaker
pacemaker cells
pacemaker cells
The SA node is the "pacemaker" of the heart. Cells in the SA node are called "pacemaker" cells and they direct the contraction rate of the entire heart by generating action potentials.
depolarizes to its threshold potential before other pacemakers in the heart
cardiac muscle
Not--5
interstitial cells of Cajal
A pacemaker is a device inserted into the heart to regulate the heart beats or heart rate