The earthworm utilizes an external respiratory surface for passive gas exchange. Its closed circulatory system includes a heart with 5 pairs of aortic arches for pumping blood, and it possesses a 2-part brain.
L'earthworm utilise une surface respiratoire externe pour l'échange de gaz passif. Son système circulatoire fermé comprend un cœur avec 5 paires d'arches aortiques pour pomper le sang, et il possède un cerveau à 2 parties.
| Front | Earthworm Respiratory System |
|---|---|
| Back | - external respiratory surface (gas exchenges passively) - heart has 5 pairs of aortic arches (pump) - closed circulatory system - brain has 2 parts |
Tags: chapter_14, earthworm
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