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उत्तर : 3. "कॉकरोच "
खुला रक्त परिसंचरण पाया जाता है-
5प्र:
खुला रक्त परिसंचरण पाया जाता है-
- 1केचुआfalse
- 2सरीसृपfalse
- 3कॉकरोचtrue
- 4टोडfalse
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उत्तर : 3. "कॉकरोच "
व्याख्या :
An open circulatory system, found in arthropods, pumps blood into a cavity called a hemocoel where it surrounds the organs and then returns to the heart(s) through ostia (openings). The blood found in arthropods, a mix of blood and interstitial fluid, is called hemolymph.