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Amphibians exchange gases through their moist skin. Answer true or false for the following questions. Respiratory System- All About Breathing true false The pharynx and trachea are part of the respiratory system. true false The more active you become, the less oxygen your body needs. true false Oxygen enters your bloodstream via your respiratory system. true false All organisms need oxygen to complete certain processes. true false In animals, carbon dioxide is taken in and oxygen is let out. true false Only oxygen can be brought into your body by the respiratory system. true false In all animals the respiratory system and the digestive system are connected. true false Your respiratory system filters out all toxins in the air. true false Pneumonia results when less oxygen can be taken into your body because your lungs are filled with fluid. true false |