Class 11 Biology|Ch.-17 |Part-7||Transport of Carbon-dioxide||Study with Farru

Class 11 Biology|Ch.-17 |Part-6||Transport of oxygen||Study with FarruSee more

Class 11 Biology|Ch.-17 |Part-5||Exchange of Gases||Study with FarruSee more

Class 11 Biology|Ch.-17 |Part-2||Human Respiratory System||Study with FarruSee more

Class 11 Biology|Ch.-17 |Part-3||Mechanism of breathing||Study with FarruSee more

Breathing •°°See more