Leeches are important to humans:
A) as a model for vertebrate locomotion.
B) for medicinal uses.
C) because some are parasitic.
D) for soil formation.
E) as fish bait.

Question

Quizplus · Accepted Answer

Leeches have been used for medicinal purposes for centuries, particularly for bloodletting and, in modern times, to stimulate blood circulation in reattached fingers and toes, and for other microsurgical procedures to prevent blood clots.

Leeches Are Important to Humans