The heart like pumping organs of earthworms.
The brain of the worm.
The cord that connects the brain to the body.
The stomach side of the worm (lighter coloration)
The back side of the worm (darker coloration)
Tiny hairs that worms use to help move.
The smooth band on the outside surface of the worm.
Produces female sex cells, or eggs.
Produces male sex cells, or sperm.
Individual chambers of a worm's body
The front or head end of an animal.
The back or rear end of an animal.