annalopez259
annalopez259 annalopez259
  • 13-12-2017
  • Biology
contestada

This type of circulatory system has cells in constant contact with circulatory fluid (no vessels). Some smaller organisms have this type of circulatory system because it isn't efficient for larger organisms. A) closed B) large C) open D) vessel

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zgoldav3nger zgoldav3nger
  • 18-12-2017
She's right C I just took da test
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