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- #Biology
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Open circulatory system is present in
Option: 1
Cnidarians
Option: 2
Helminthes
Option: 3
Arthropoda
Option: 4
All of these
Answers (1)
As we have learned
Circulatory system in arthropoda -
It is of open type or Lacunar type.
- wherein
Heart is dorsal.
View full answer
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