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Gas exchange

Biology Fish Respiration

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Biology
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Fish anatomy
Respiratory system
Fish
Zoology
Biology
Aquatic ecology
Animal anatomy
Gill
Gas exchange
Fish physiology
Branchial arch
Operculum

Respiration in Fishes Objective ? Understand how gaseous exchange takes place in fish ? To outline similarities and differences between gaseous exchange in fish and in mammals How do fishes obtain sufficient O2 effectively? ? Dissolved oxygen in the water is around 5 ml of oxygen per Liter of water ? For land animals there is approximately 40 times more oxygen available at 210 ml of oxygen per liter of air we breathe External Anatomy Structure: Gills ? Gills are covered by the operculum ? Consist of the gill arch and the gill filaments. ? Each gill arch contains a large number of gill filaments ? Gill filaments has thin walls and are richly supplied with blood capillaries. Gill ventilation

Gas Exchange

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Biology
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Biology
Medicine
Physiology
Respiration
Respiratory physiology
Intensive care medicine
Transport phenomena
Syndromes
Respiratory system
Gas exchange
Pulmonary alveolus
Breathing

Topic 6.5 Gas Exchange IB Objective Students will know that the lungs are actively ventilated to ensure that gas exchange can occur passively Distinguish between ventilation, gas exchange and cell respiration Explain the need for a ventilation system I. All Living Things Respire Why living things must respire (breathe): 1. Cellular Respiration ? controlled release of energy in the form of ATP from organic processes in the cell C6H12O6 + O2 ---> 6CO2 + 6H20 + ATP 2. Gas Exchange -- Exchange of gases (Oxygen, Carbon Dioxide) between an organism and it environments 3. Ventilation - process of "changing" or replacing gas (Oxygen, Carbon Dioxide) in a space (ex: lungs) II. Ventilation A. Single celled organisms can easily diffuse gas in and out of a cell

Respiratory System PPT

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Biology
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Anatomy
Biology
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Respiratory system
Respiration
Lung
Respiratory tract
Breathing
Conducting zone
Pulmonary alveolus
Gas exchange
Lower respiratory tract
Health
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review overview

Warm-Up Name one organ in the respiratory system and state its significance in the human body State three things you know about the respiratory system. By: Chlo? Durfee Sydney Modder Ramya Ramesh Megumi Sharma Chase Damis The Respiratory System Epiglottis Blocks food and liquids from entering the trachea Spoon-like structure Larynx/Pharynx Pharynx (throat) Provides passageway for respiratory and digestive tracts Tube like structure that connects nasal and oral cavities to larynx Coordinates breathing and swallowing while eating Larynx (Voice Box) Connects pharynx to trachea Provides airway Prevents food from entering respiratory tract Produces sound Trachea (Windpipe) This is the tube that air passes through in order to get to the bronchi and then the lungs.
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