Q. In Pheretima, the lateral hearts that connect the supra oesophageal blood vessel with ventral blood vessel are located in which segments?
A) 7 and 9
B) 18 and 19
C) 14 and 15
D) 12 and 13
Explanation
The important transverse vessels in first 13 segments are lateral hearts (segments 7 and 9), anterior loops (segments 10 and 11) and lateral oesophageal hearts (setgments 12 and 15).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.