NTA Abhyas NEET2020BotanyAnimal KingdomPractice
In which of the following organism the regulation of blood flow cannot be precisely regulated?
Options
- APila
- BLimulus
- CScoliodon
- DOctopus
Correct answer
B. Limulus
Step-by-step solution
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.