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| Description: The structure labelled W functions too. a Form blood cells b.Produce food for fetus c.Produce amniotic fluid d.Exchange nutrients and waste I think D is the best answer but i am unsure Picture Stats: Views: 486 Filesize: 387.23kB Height: 660 Width: 1454 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=23849 |