Respiration and Excretion in plants and Animals

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Respiratory organs of some animals

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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

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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