why do you mean by ostia
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OSTIA isany of the pores in sponges through which water enters the body. any of the openings in the heart of an arthropod through which blood enters. any similar opening.
OSTIA isany of the pores in sponges through which water enters the body. any of the openings in the heart of an arthropod through which blood enters. any similar opening.
laxmikant6:
tnkx dear
wels
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each of a number of pores in the wall of a sponge, through which water is drawn in.
tnkxx dear
wels
ya
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