I think it's to protect the worm's heart.
Wisk detergent's commercials used the catchphrase "Ring around the collar."
Its around .030 thick.
to swallow earthworm sperm.The Esophagus in the Earthworm is the name for the muscles in the worms body and is used in the process of digestion. Sort of like the intestines in a human body.
The concrete typically used for driveway construction is around 4 inches thick.
The bristles along the body of an earthworm are called the Setae,which are set along its segmented length. In all the body segments except the first, last and clitellum, there is a ring of S-shaped setae embedded in the epidermal pit of each segment.
the type of earthworm you would use in fishing would be tapeworm
A leech
Diatomaceous earth can be used to control earthworm populations in the garden by sprinkling it around areas where earthworms are present. The sharp edges of the diatomaceous earth particles can irritate and dehydrate the earthworms, ultimately reducing their numbers in the garden.
The subfloor plywood typically used in construction projects is around 3/4 inch thick.
A definite yes.
The lip of the earthworm covers its mouth. It is used for ingesting food and moving soil particles into its digestive tract.
Lumbricus