Breathing and Exchange of Gases ONE SHOT | NEET Biology 2026 | Complete NCERT |

Welcome to the ultimate Breathing and Exchange of Gases ONE SHOT for your NEET 2026 Biology preparation! 🚀 This single session will give you Full NCERT Mastery of the chapter and help you secure a guaranteed 4 marks on the exam!

We cover every concept from the NCERT textbook, including the structure of the respiratory system, the mechanism of breathing, and the transport of gases. This is your high-yield ticket to mastering Human Physiology!

What You Will Master in This One Shot:

Human Respiratory System: Detailed structure and organs involved.
Mechanism of Breathing: Steps of Inspiration and Expiration.
Transport of Gases: Oxygen and Carbon Dioxide transport (Bohr and Haldane Effect).
Regulation of Respiration: Neural and Chemical Regulation.
Respiratory Disorders: Emphysema, Asthma, and Occupational diseases (NCERT focus).
NEET PYQs: Solve the most important previous year questions LIVE!

This session will help you build a strong foundation in respiratory physiology, boosting your score in both NEET 2026 and Class 11 exams.

00:01:02 Introduction: Welcome to the One Shot Session
00:04:05 Sequence of the Chapter & Expected NEET Questions
00:04:44 Respiratory Organs in Various Animals
00:05:22 Concept Check: Breathing vs. Respiration
00:16:08 Human Respiratory System: Upper & Lower Tracts
00:22:24 Trachea Division and Bronchial Tree (Primary, Secondary, Tertiary)
00:28:50 Lungs: Structure, Pleural Membrane, and Cardiac Notch
00:31:16 Air Passage: Functions of the Conducting Zone
00:46:40 Anatomical Setup of the Thoracic Chamber
00:48:52 MECHANISM OF BREATHING: Normal Inspiration (Active Process)
00:55:25 MECHANISM OF BREATHING: Normal Expiration (Passive Process)
01:05:05 LUNG VOLUMES: Tidal Volume (TV), IRV, ERV, & Residual Volume (RV)
01:14:30 LUNG CAPACITIES: IC, EC, FRC, VC, and TLC Formulas
01:27:35 EXCHANGE OF GASES: Simple Diffusion and Partial Pressure
01:32:15 The Respiratory (Diffusion) Membrane Layers
01:35:18 TRANSPORT OF GASES: O₂ and CO₂ Transport Percentages
01:40:19 Oxygen-Hemoglobin Dissociation Curve: Right Shift (Bohr Effect)
01:45:25 Oxygen-Hemoglobin Dissociation Curve: Left Shift
01:47:45 REGULATION OF BREATHING: Respiratory Centers (Medulla & Pons)
01:53:33 RESPIRATORY DISORDERS: Asthma & Emphysema (Acquired vs. Congenital)
01:58:35 RESPIRATORY DISORDERS: Occupational Respiratory Disorders (ORD)
02:03:03 Conclusion, Notes & Next Session Details


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