Statement - I: Closed circulatory system is considered to be more advantageous.

Statement – II: Flow of fluid can be more precisely regulated in this system.

Both Statement – I and Statement – II are true but Statement – II is not the correct explanation of Statement - I

Both statement – I and Statement – II  are false

Both Statements are true and Statement – II is the correct explanation of Statement - I      

Statement – I is true but Statement – II is false