PowerPoint Presentation:
Exchang e of gases in insects tracheoles Well developed System of Air Tubules or trachea found in insects like grass hoppers. Flow of Air: Spiracles Tracheae Tracheoles
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Exchange of gases in fish
PowerPoint Presentation:
Process of exchange of gases in fish
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Exchange of gases in amphibians
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The Respiratory System in humans include the nose and nasal cavity, pharynx, larynx, trachea, bronchi, bronchioles, alveolar sacs and alveoli
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Video on respiration in humans