Closed circulatory system present in
Annelids
Arthropoda
Chordates
More than one correct answer
As we learnt ,
Circulatory Patterns -
Closed
- wherein
Annelids and chordates have a closed circulatory system in which the blood pumped by the heart is always circulated through a closed network of blood vessels. This pattern is considered to be more advantageous as the flow of fluid can be more precisely regulated.