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Updated: May 5, 2025
When open, the water flows in, bathing the internal gill-like organs, which extract the air from the water, which is then suddenly expelled by a strong muscular effort. They are not true gills, however, as the blood is not aerated in them. They only absorb air to supply the tracheæ, which aerate the blood only within the general cavity of the body.
The digestive cavity in the Worms runs the whole length of the body; and the respiratory organs, wherever they are specialized, appear as little vesicles or gill-like appendages either along the back or below the sides, connected with the locomotive appendages.
For example, the embryo of man has at the outset gill-like slits on each side of the neck, like a fish.
After being cooked and cooled, split open the body and tail and crack the claws, to extract the meat. The sand pouch found near the throat should be removed. Care should be exercised that none of the feathery, tough, gill-like particles found under the body shell get mixed with the meat, as they are indigestible and have caused much trouble.
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