Welcome to the site where the owners and members have had it with playing "nice" and being "inclusive" and "tolerant" of points of view that are destroying the fabric of what made this country great. The members here are sick and tired of politicians of all parties lying, deceiving, stealing, and pretending they are doing it all for the good of the country while selling out to special interests who have the set goal of destroying this country. We have had enough of career politicians who use their office only for personal gain, and who refuse to listen to the people who put them in office. The membership is no longer part of the silent majority who play nice and get along while getting screwed by anyone with a loud voice and an agenda. We will no longer allow anyone to piss down our back and tell us it's raining. And we like guns too.



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Old 05-18-2016, 06:36 AM   #1
4thIDvet
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Default How fish breathe underwater.

O.K. if you ever wondered how fish breathe underwater here is your answer. Even if you don't care how fish breathe underwater it is still interesting. Their will be a pop closed book quiz tomorrow for all fisherman.

"How Fish Breathe"

"Despite living in water, fishes need oxygen to live. Unlike land-dwellers, though, they must extract this vital oxygen from water, which is over 800 times as dense as air. This requires very efficient mechanisms for extraction and the passage of large volumes of water (which contains only about 5% as much oxygen as air) over the absorption surfaces."
http://www.petmd.com/fish/care/evr_fi_fish_respiration
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Old 05-18-2016, 07:55 AM   #2
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I thought so.
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Old 05-18-2016, 09:33 AM   #3
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The last paragraph summed it up quite well!
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Old 05-18-2016, 09:41 AM   #4
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wow, I didn't know you could breathe underwater.......
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Old 05-18-2016, 10:39 AM   #5
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Before reading the link, I am going to say osmosis through the gills...

After reading the link, much more detailed. Good article!
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