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open circulatory system

Definition

open circulatory system rate
(Noun) the system in many segmented organisms in which blood is pumped out of the heart into arteries, then the blood seeps through the body tissue back into the heart to be re-circulated.
Usage: Many segmented crustaceans have an open circulatory system


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OPDW
OPE
OPEA
OPEAA
OPEB
OPEC
OPECA
OPEDA
OPEF
OPEG
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OPEIU
OPEM
Open
open C
open charms
open circulatory system
Open Ended Thinking
open marriage
open one's legs
open ones bowels
open up
open up a can of worms
open up someone's ass
open up the ass
open well
open wound
open your legs
open-ass
open-minded
opening
OPERA
operandi
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