A worm has five hearts?
They have five hearts! All of these hearts pump blood through their blood vessels just like your one heart.- A worm doesn’t have eyes?
Even though worms don’t have eyes, they can sense light, especially at their anterior (front end). They don’t like light!! - A worm has both, male and female organ?
Worms are hermaphrodites. Each worm has both male and female organs. Worms mate by joining their clitella (swollen area near the head of a mature worm) and exchanging sperm. - A worm can grow only so long?
A Lumbricus terrestris will be from 90-300 millimeters long.
Clementina Sesin, Rocio Caramuti, Pia Reinero y Luciana Travaglia
