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Question: Answered & Verified by Expert
In which of the following organism the regulation of blood flow cannot be precisely regulated?
BiologyAnimal KingdomNEET
Options:
  • A Pila
  • B Limulus
  • C Scoliodon
  • D Octopus
Solution:
2832 Upvotes Verified Answer
The correct answer is: Limulus
Pila, octopus and Scoliodon have closed circulatory systems. The Limulus is an arthropod with an open circulatory system. Blood flow can be precisely regulated in a closed circulatory system where blood flows inside the blood vessels.

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