Everyone knows how important water is for humans to survive, but have you ever wondered whether fish feel thirsty just like humans? Fish cannot survive outside water, but do they ever need to drink water to survive? It sounds quite silly while saying that an underwater creature should have to drink water, but whether they really do so or not, let's know about it? In today's short article, we are going to talk about this interesting topic, so read attentively to the complete information.
Do fish get thirsty, would such a situation ever come. The fact is that fish do not actually drink water, they absorb water through their skin and gills. The fishes have an organ called gills, through which they absorb water inside them and this scientific process is called osmosis. There are many other things involved in osmosis. This means if spoken in a line, the fish do not drink water but absorb it. The basic function of gills is to allow fish to breathe underwater. Fish Gills take oxygen from the water and let the water carry away carbon dioxide.
In the case of oceans, where, unlike rivers, the water contains salt, the fishes there have a special mechanism in their gills, yes, there is a special system by which the excess salt of the seawater gets out and they are able to enjoy normal water. And because the gills they have can absorb water whenever it is required and that is why they never get this feeling of thirst. These gills always keep the water content of their body balanced, so they never feel thirsty.
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In humans that is something called thirst, this feeling is not experienced by fishes, which means fishes never feel thirsty because of this magical part in their body called gills, part of their lifeline, if it is not there, the fish can't survive. Meaning gills are the most important part of the fish's body for their survival, just as a human has a heart. So basically gills keep balancing all the things in the fish's body, whether it is salt or water content or breathing underwater. If we explain it from the point of view of everyone's mentality, then it should not be wrong to say, fishes basically live in water, so they don't really have such a strong urge to drink water.
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