Class XII Biology - Respiration and Circulation : 8.13- Heart: External structure of Heart.
45:56
Class XII Biology - Respiration and Circulation : 8.13- Heart: Internal structure of Heart.
25:17
Class XII Biology - Respiration and Circulation : 8.13- Heart - Introduction | Anjali Patel |
44:36
Class XII Biology - Respiration and Circulation : Pumping action of heart, Conducting tissue ofheart
56:44
Class XII Biology - Respiration and Circulation :- Mechanism Working action of human heart.
49:40
Class XII Biology - Respiration and Circulation: Blood Pressure: Management of bloop pressure.
45:31
Class XII Biology - Respiration and Circulation: Blood vessel- Arteries, Veins andCapillaries,Pulse.
34:46
Class XII Biology - Respiration and Circulation : Regulation of breathing.
29:33