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5 Cards in this Set
- Front
- Back
Why do organisms require oxygen?
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At the cellular level, organisms require oxygen as an electron acceptor in cellular respiration to produce ATP
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External Respiration
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Exchange of resp. gases between environment and resp. organs or organism
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Tracheal System
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Found in insects and some arthropods
Does not use Circulatory System to transport Resp. gases Network of respiratory tubules affecting respiratory gas exchange with each cell |
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Tracheal System Composed of:
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Spiracles
-Opening in exoskeleton |
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Tracheal System
|
Found in insects and some arthropods
Does not use Circulatory System to transport Resp. gases Network of respiratory tubules affecting respiratory gas exchange with each cell |