Lecture 17 animal gas exchange posted

Lecture 17 animal gas exchange posted - One direction,...

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BIO 311D LECTURE 17 Animal gas exchange
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Gas exchange "Breathing is for wimps. Hand me a fishing rod."
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Gills Outfoldings of body surfaces suspended in water Ventilation increases flow of water over gill surfaces
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Countercurrent exchange used in fish
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Tracheal systems Ventilation, muscle contractions
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Lungs One location Requires circulatory system
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Respiratory system of a mammal
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Breathing Positive pressure breathing Negative pressure breathing
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Breathing in birds
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Unformatted text preview: One direction, completely exchanged Two inhalation/exhalation cycles Regulation of breathing Brain Pons Medulla Arteries Aorta Carotid sinuses Diffusion of O 2 Partial pressure Gases diffuse Movie Movie Movie O 2 transport CO 2 transport Hemoglobin Bicarbonate ions Deep sea divers with lungs Deep sea divers with lungs Adaptations: Storage Conservation Fermentation...
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Lecture 17 animal gas exchange posted - One direction,...

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