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Documents Circulatory System

Circulatory System Heart Made mostly of cardiac muscle 4 chambers â 2 chambers on top (atria); 2 chambers on the bottom (ventricles) Right & left sides divided by the…

Documents Gas Exchange Respiratory Systems (Ch. 42)

Animal Physiology I 2010 edit Gas Exchange Respiratory Systems (Ch. 42) 1 2 Why do we need a respiratory system? O2 food ATP CO2 respiration for respiration Need O2 in for…

Documents gills

PowerPoint Presentation 2008-2009 gills alveoli elephant seals Gas Exchange Respiratory Systems 1 2 Why do we need a respiratory system? Need O2 in for aerobic cellular respiration…

Documents Homeostatic Mechanisms 1 (function)

Animal Physiology I 2010 edit Homeostatic Mechanisms 1 (function) Example 2: Gas Exchange 1 Big Questions: How do the physiological systems of organisms help the organism…