Q.
$Pheretima$ exhibit ….. type of blood vascular system
A) Portal
B) Closed
C) Open
D) Double circulatory
Explanation
Pheretima exhibits closed type of vascular system, consisting of blood vessels, capillaries and heart. Due to the closed circulatory system, blood is confined to the heart and blood vessels
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.