AQA & OCR A level PE - Conduction System

Understand the conduction system of the heart with this clear, step-by-step explanation designed for A Level PE and Sports Science students. This video covers everything you need to know for your exams and revision, including: ✅ The role of the sinoatrial (SA) node and atrioventricular (AV) node ✅ The bundle of His and Purkinje fibres ✅ How the conduction system controls the cardiac cycle This video is ideal for: A Level PE students revising the cardiovascular system Anyone preparing for exams who needs a simple, structured breakdown By the end, you’ll have a solid understanding of how the conduction system works and how it controls the 3 stages of the cardiac cycle. 📘 Need more A Level PE help? Explore 1:1 tutoring and resources here: https://www.hbpetutor.com/contact 👉 Don’t forget to like, comment, and subscribe for more A Level PE revision videos and exam support!