Seudónimo Seudónimo

12-05-2020
Biology

contestada

I need the answers please

I need the answers please class=

Respuesta :

Brainygurl324 Brainygurl324

12-05-2020

Answer:

Open circulatory system:

Relies on the heart to keep blood flowing

Used in all vertebrates

Sorry thats all i know :)

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