Q. In Pheretima, the anterior loops carry blood from
A) Commissural blood vessels
B) Ventral blood vessels
C) Supraoesophageal
D) Lateral oesophageal
Explanation
In Pheretima, there is a pair of thin walled, non-muscular, loop like blood vessels found in 10^(th) and 11^(th) segments. These vessels are known as anterior loops and carry blood from lateral oesophageal to supra oesophageal vessel.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.