MCQ
In connection with circulatory system, valves are present
  • Not only in heart and blood vessels of vertebrates and invertebrates, but in vertebrate lymphatics as well
  • B
    Vertebrate heart only
  • C
    Vertebrate heart and invertebrate hearts only
  • D
    Vertebrate hearts, invertebrate hearts and their blood vessels

Answer

Correct option: A.
Not only in heart and blood vessels of vertebrates and invertebrates, but in vertebrate lymphatics as well
a
It’s obvious.
 

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