Gases are exchanged in the many filaments, and oxygen absorption is especially facilitated by hemocyanin. Crimson king crabs exhibit unidirectional ventilation. This may be called the flow of water within a U-shaped course; drinking water passes posteriorly within the incurrent opening, an opening in the carapace close to the foundation https://kingcrab80123.full-design.com/the-fact-about-king-crab-that-no-one-is-suggesting-72463202