NEET · Biology · STD 11 - 15. Body fluids and criculations
All the components of the nodal tissue are autoexcitable. Why does the SA node act as the normal pacemakar?
- A SA node has the lowest rate of depolarisation.
- B SA node is the only component to generate the threshold potential.
- C Only SA node can convey the action potential to the other components.
- D SA node has the highest rate of depolarisation.
Answer & Solution
Correct Answer
(D) SA node has the highest rate of depolarisation.
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