Q.

In an average healthy adult human, SAN can generate a maximum of ___________number of action potentials.

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a

70-75 min–1

b

20-25 min–1

c

90-95 min–1

d

40-45 min–1

answer is A.

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Detailed Solution

The SAN can generate the maximum number of action potentials, i.e., 70-75 min–1, and is responsible for initiating and maintaining the rhythmic contractile activity of the heart.
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In an average healthy adult human, SAN can generate a maximum of ___________number of action potentials.