Let's understand how electrical impulses run through our heart - through the nodal tissues.

00:00 Introduction
01:36 SA Node
03:50 AV Node
04:38 Bundle of His
05:24 Purkinje fibers
07:03 Summary

Practice this concept - https://www.khanacademy.org/science/i...

Master the concept of “Circulatory pathways” through practice exercises and videos - https://www.khanacademy.org/science/i...

Check out more videos and practice exercises on Body fluid and circulation -
https://www.khanacademy.org/science/i...

To get you fully ready for your exam and help you fall in love with Biology, find the complete bank of exercises and videos for Class 11 Biology here - https://www.khanacademy.org/science/i...

Khan Academy is a free learning platform for Class 1-12 students with videos, exercises, and tests for maths, science, and more subjects. Our content is aligned to CBSE syllabus and available in Hindi, English, and many more regional languages.


Experience the joy of easy, seamless, accessible learning anywhere, anytime with Khan Academy.


Subscribe to our YouTube channel -    / khanacademy  

As a 501(c)(3) nonprofit organization, we would love your help!
Donate here: https://www.khanacademy.org/donate?ut...


Created by - Khadijatul Qubra