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Why must there be a continuous flow of water across the gills of fish?
JessicaKoh
Water must flow with some regularity across the gills of fish for gas exchange to take place. This is essential if the fish is to stay alive. Oxygen is taken from the water by the gills, and carbon dioxide is put into the water. The gills of fish serve essentially the same function as the lungs of people.
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∙ 15y ago
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What covering protects the gills on a fish?
That is a hard but flexible cover which, in bony fish, forms the outer wall of the gill chamber. It protects the gills and also plays a major role in the pumping mechanism that regulates the continuous flow of water over them.
What does the fish breath with?
All fish breath through their gills, there is oxygen in water, as such, they take the oxygen through their gills.
What is drawn fish?
If you mean drown then no, fish have gills that extract oxygen from the water as it passes Through their gills but they suffocate when the flow of water stops passing through the gills or there is a lack of oxygen in the water or when brought out of the water
How do fish absorb oxygen from water?
Fish can absorb water by the gills
What are the three adaptations that allow fish to live in water?
Some of the adaptations that allow fish to live in the water are gills, fins, and scales. The gills allow the fish to live in the water. The gills allow the fish to extract oxygen from the water. The fins allow the fish to swim through the water and help it stear itself. For the scales I'm not sure!
What method does the fish use to breathe?
Oxygen rich water is pumped through the fish's mouth and across their gills, where oxygen is absobed and carbon dioxide excreted. The gills push the deoxygenated water out through the pharynx. So basicly they use there gills
What do fish breathe with?
Fish have gills, as they swim water passes over the gills and extract oxygen from the water.
How do fish get oxygen they need?
fishes uses the oxygen resolved in water.
Were do fish get there air from?
Fish pass water over their 'gills' the gills extract oxygen from the water.
What does gills help fish do?
Fish use gills to extract oxygen from the water passing over the gills.
Fish can extract oxygen from water using what?
Fish have lamellae in their gills. As the water flows through the gills and over the lamellae, the oxygen is extracted from the water.
What covering protects the gills on a fish?
That is a hard but flexible cover which, in bony fish, forms the outer wall of the gill chamber. It protects the gills and also plays a major role in the pumping mechanism that regulates the continuous flow of water over them.
When a fish use their gills to breath they are taking in a solution of?
They are pulling the water they are swimming in across their gills. Therefore, freshwater fish are taking in a very dilute solution of salt water (> 0.9% salt) while saltwater fish are taking in a relatively concentrated solution of salt water (3-5% salt).
What does the fish breath with?
All fish breath through their gills, there is oxygen in water, as such, they take the oxygen through their gills.
How do fish breath under water with their gills?
gills and brain
Do salt water crocodiles have gills?
No, only fish have gills.
Do fish need to breahe under water?
Fish process the oxygen in the water through their gills. They suck in water and as they push the water out of their gills, the gills retain the air. This is why fish tank require pumps; to circulate the water and create oxygen.
