Cardiac Cycle Heartbeat| Sounds of Heartbeat (Lubb Dubb) | Diastole & Systole | Class 11 Biology скачать в хорошем качестве

Cardiac Cycle Heartbeat| Sounds of Heartbeat (Lubb Dubb) | Diastole & Systole | Class 11 Biology

In this lecture, we explain the Cardiac Cycle (Heart Beat) in a simple and exam-oriented way. This video covers the definition, phases, timing, and heart sounds (Lub & Dub) with board-pattern concepts for Class 11 / FSc Pre-Medical students. 🔬 Topics Covered: ✔ What is Cardiac Cycle ✔ Diastole – relaxation phase ✔ Atrial Systole – contraction of atria ✔ Ventricular Systole – contraction of ventricles ✔ Time duration of each phase ✔ Heart Sounds (Lub & Dub) 📌 This lecture is specially designed for: FSc Pre-Medical Class 11 Biology Board exam preparation MDCAT foundation 📞 Contact / WhatsApp: 0334-6526907 👉 Subscribe to Dr Saqi’s Biology Hub for chapter-wise lectures, MCQs, long questions, and smart syllabus preparation. cardiac cycle heart beat diastole systole atrial systole ventricular systole heart sounds lub dub class 11 biology fsc pre medical biology cardiac cycle lecture biology chapter 11 human heart board exam biology mdcat biology #CardiacCycle #HeartBeat #Class11Biology #FScPreMedical #BiologyLecture #HeartSounds #DrSaqisBiologyHub #HumanHeart #ExamPreparation #circulationofblood #biologylecture #11thclassbiology #smartsyllabus2025