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Doctors Medicines MCQs Q&A

  1. I and II
  2. I and III
  3. II and III
  4. Only III
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Option 2 : I and III

  • Circulatory systems are of two types- Open Circulatory system and Closed Circulatory system.
  • In Open circulatory system, blood is not confined to blood vessels and bathes the organs and tissues directly. Thus, there is no distinction between blood and interstitial fluid.
  • Spiders, cockroaches, and prawns have an Open Circulatory system.
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