Based on your product description, the HS code for live lug worms into the United States is 01069000.This HS classification was performed by 3ceonline.com.
They use their skin for respiration then some have gills.
because they are legit.
earthworms, polychaete worms, and leeches.
no, gills vs lungs obviously they are totally different. one is for breathing air and the other is for breathing water, so no.
Feather duster worms have radioles that work like gills, exchanging carbon dioxide for oxygen in the water, allowing the worm to breathe.
The kind that have scales and gills and swim around. If you are trying to catch them they really love worms!
Gills are found in a number of animals. Most notably in all types of fresh and salt water fish but also mollusks like snails and slugs. Crustaceans like crab and lobster have them to as do a number of insects and amphibians such as frogs, lizards and worms.
no, because then those gills gills would need gills and they would need gills and so on, so on. They have specialised cells instead.
gills.
Lobsters have gills.
gills are structures in fish for breathing in water while gills chambers are the cavities in which gills are enclosed