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1. Respiratory System (Human And Animal) 2. THE RESPIRATORY SYSTEM Table of Contents The Respiratory System and Gas Exchange |Cellular respiration involves the breakdown…

Slide 1 Review – factors needed for efficient gas exchange Large surface area Moist surface to dissolve gases Concentration Gradient Slide 2 The Gill Gas Exchange Fish…

Slide 1  Slide 2  Slide 3 OsteichthyansChondrichthyes  Has cycloid scales.  Presence of dermal bone  Operculum covers the gills  Has placoid scales …

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