Control of Heartbeat | SA Node AV Node | Bundle of His | Rate of Heartbeat | Class 11 Biology скачать в хорошем качестве

Control of Heartbeat | SA Node AV Node | Bundle of His | Rate of Heartbeat | Class 11 Biology

In this lecture, we explain Control of Heartbeat (Heart Excitation and Relaxation) and Rate of Heartbeat in a simple and exam-oriented way. This topic is very important for Class 11 / FSc / Intermediate Biology and medical entrance preparation. 🔹 Topics covered in this video: Control of Heartbeat Rate of Heartbeat SA Node (Pacemaker of the Heart) AV Node (Atrioventricular Node) AV Bundle (Bundle of His) Right and Left Bundle Branches Purkinje Fibres Sequence of cardiac impulse conduction This lecture is explained with easy language, board-style presentation, and concept clarity for students. 📘 Best for: FSc Pre-Medical students Class 11 Biology MDCAT & other medical entry tests Concept revision before exams 👍 If you find this lecture helpful, like, share, and subscribe for more Biology lectures. 📞 Contact / WhatsApp: 0334-6526907 control of heartbeat cardiac conduction system sa node pacemaker av node bundle of his purkinje fibres heart excitation and relaxation class 11 biology fsc biology chapter 11 human circulatory system biology lecture in urdu mdcat biology intermediate biology #drsaqisbiologyhub #11thclassbiology #smartsyllabus2025 #ch11 #biologylecture #class11biology #ControlOfHeartbeat #SANode #AVNode #BundleOfHis #PurkinjeFibres #Class11Biology #FScBiology #HumanHeart #BiologyLecture #MedicalStudents