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
Chamber and Valves of Heart | Human Circulatory System | 11th class Biology | Ch 11 | Smart Syllabus
How the Heart Works (Animation)
Cardiac Action Potentials
Women banned from speaking in public by Afghanistan's Taliban rulers | BBC News
BCA Assay 101: Setting up the Standard for Determining Protein Concentration
Frankreich – Senegal Highlights | Gruppe I, FIFA WM 2026 | sportstudio
Path of Blood Flow through the Heart | Step by step through every chamber, valve, and major vessel
NERVOUS 12-Year-Old Who Can Sing Without Opening Her Mouth Earns Mel B's GOLDEN BUZZER!
Bioenergetics Full Chapter Revision 🚀 | 11th Class Biology | For Annual Paper 2026
Living With A Pacemaker (common questions answered) - in Plain English!
Circulation of Blood Through Heart | 11t Class Biology | Ch 11 | New Syllabus 2025 (Smart Syllabus)
Overview of the Brain
Heart Conduction System & ECG (EKG)
Class 11 Biology Chapter 5 – Enzymes | One Shot Lecture | Easy Explanation
Why is it so hard to cure cancer? - Kyuson Yun
Learn Heart Murmurs In 10 Minutes (With Heart Murmur Sounds)
Skull Anatomy - The BEST way to remember every bone
Das menschliche Herz - Aufbau und Funktion (Animation)
