Breathing and exchange of gases class 11th zoology NCERT based handwritten notes

All the topics covered in detail according to ncert 11th biology book

proper explanation for each and every topic

TOPICS COVERED—-

1) What is respiration? , need of respiration, steps involved in respiration

2) Modes of respiration in animals

3)Human respiratory system

4)Conducting zone, respiratory zone,structure of alveoli , position of lungs, structure of lungs

5)Mechanism of breathing [normal inspiration and expiration , forcible inspiration and expiration]

6)Pulmonary volumes and capacities

7)Concept of partial pressure,diffusion of gases, factors affecting diffusion , diffusion membrane

8)Structure of haemoglobin , binding of haemoglobin with different gases

9) Transport of o2 and co2

10)oxygen haemoglobin dissociation curve [ right shift and left shift  ; BOHR EFFECT , HALDANE EFFECT ; P50 VALUE]

11)Neural control of respiration[ respiratory rhythm centre , pneumotaxic centre, chemoreceptors ]

12) Respiratory disorders[ asthma, emphysema, occupational respiratory disorder ]

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