pneumatic duct वाक्य
उदाहरण वाक्य
मोबाइल
- Gadiformes are physoclists, which means their gas bladders do not have a pneumatic duct.
- Clupeiformes are physostomes, which means that the gas bladder has a pneumatic duct connecting it to the school.
- And they sorted through parts so they can reassemble, for example, one pile of fuel system components, including piping, pumps and gauges, and another pile of pneumatic ducts.
- The cyprinids are considered physostomes because the pneumatic duct is retained in adult stages and the fish are able to gulp air to fill the gas bladder, or they can dispose excess gas to the gut.
- In early life stages, these fish must rise to the surface to fill up their swim bladders; in later stages, the pneumatic duct disappears, and the gas gland has to introduce gas ( usually oxygen ) to the bladder to increase its volume and thus increase buoyancy.
- In embryonal development, both lung and swim bladder originate as an outpocketing from the gut; in the case of swim bladders, this connection to the gut continues to exist as the pneumatic duct in the more " primitive " ray-finned fish, and is lost in some of the more derived teleost orders.
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