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3 Cards in this Set
- Front
- Back
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Gas exchange in insects |
Tracheae-air filled pipes used by insects for gas exchange •air moves into tracheae through spiracles and move down conc gradient towards the cells.co2 moves up its conc gradient towards spircales. |
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Ventilation in insects |
Tracheae branch into tracheoles which have thin permeable walls and lead to individual cells. •tracheoles contains a fluid which oxygen dissolves in and diffuses into cells and co2 diffuses out |
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Rhythmic abdominal movements |
Insects use rhythmic abdominal moments to change the volume of their body and to move air in and out of spiracles Large insects use wing movement to pump thorax |
