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gill
A gill ( (listen)) is a respiratory organ that many aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow respiration on land provided they are kept moist. The microscopic structure of a gill presents a large surface area to the external environment. Branchia (pl. branchiae) is the zoologists' name for gills (from Ancient Greek βράγχια).
With the exception of some aquatic insects, the filaments and lamellae (folds) contain blood or coelomic fluid, from which gases are exchanged through the thin walls. The blood carries oxygen to other parts of the body. Carbon dioxide passes from the blood through the thin gill tissue into the water. Gills or gill-like organs, located in different parts of the body, are found in various groups of aquatic animals, including mollusks, crustaceans, insects, fish, and amphibians. Semiterrestrial marine animals such as crabs and mudskippers have gill chambers in which they store water, enabling them to use the dissolved oxygen when they are on land.
Rare Glock 17 RTF2 Fish Gill Slide Serrations Gen 3, all original, non-bastardized and all matching #s even the box. This is a hard to find model.
I'm interested in trading for a FN FNX 45 or a FN 545 / HK usp 45. I really want the fnx but I could be persuaded for the right double stack 45...
Selling my Glock 17 Gen-3 RTF 2. Shot only once.
This has the rough texture frame and fish gill slide. Comes with night sights also.
PM if interested or any comments
$600
I am looking for an older Click-Clack. I believe they went by the names of a Savage 6, Stevens 87a, Ranger 101.1, JC Higgins 101.1. They are often referred to as a gill gun as well. I don't care about cosmetics too much, but mint condition would be great.