First slide

Circulatory Pathways

Question

Which of the following structure produces the maximum number of action potentials per minute?

Easy

A

Purkinje fibres
B

Bundle of His
C

AV node
D

SA node

Solution

Sino-atrial node (SAN) generates the maximum number of action protentials per minute (70-75/min) and therefore, it sets the pace of the activities of the heart.

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App