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Chordates are the organisms that have a rod like cartilagenous structure called notochord which gives rise to nervous system. These have pharyngeal gill slits. Nonchordates are the organisms that do not have a notochord. These do not have pharyngeal gill slits.
The Gaping Gill was formed by chemicals in rainwater from the river 'Fell Beck' dissolving the limestone ground until it made a massive hole - Gaping Gill!
1 gill = 4 fl oz (US), 5 fl oz (British)
A quart.
A pint is equal to four gills, so a gill is one quarter of a pint.
Fishes also excrete salts via lamellae if the gills, which is vital in maintaining homeostasis. They also secete their nirogenous wastes through gills.
gill
It is a gill chamber.
gill
the gill
Gill filament is the internal structure of a gill. It is red and flesh like in texture. It assists the blood from flowing through the body to the gills.
· Sharp Vision· Wide head· 2 dorsal fins· 5 gill slits
Its a structure attached to the gills of crustaceans like lobsters. it sort of beats, causing water to flow in and out of the gill chamber.
A gill is a filamentous organ specialized for the exchange of gases underwater. Some aquatic animals have gills that are adapted in such a way so as to allow them to breathe out of the water.
Ernest Rutherford worked in Manchester (UK) and at Mac Gill (Canada).
Chordates are the organisms that have a rod like cartilagenous structure called notochord which gives rise to nervous system. These have pharyngeal gill slits. Nonchordates are the organisms that do not have a notochord. These do not have pharyngeal gill slits.
whereas we have lungs for ventillation, the fish use gills, on the side of their head, usually. As they swim, water flows over the gills and oxygen diffuses from the water into their blood stream. :) if you need more info, then search gills on google! :D