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excretory system of fishes

by: Camilo Ramirez, Andres Ramirez, Juan Diego Choconta

excretory organs

kidney, urogenital aperture, gills, anus, unary bladder.

excretory organs

urogenital aperture

Opening common to the genital and urinary tracts allowing the evacuation of gametes and urine

urogenital aperture

Gills

Respiratory and excretory organs (four pairs) each formed of two layers of filaments; they enable water to exchange oxygen and ammonium as it circulates over the gills

Gills

Kidney

Organ that eliminates metabolic waste and maintains the pressure of internal fluids.

Kidney

Anus

Terminal orifice of the digestive tract enabling ejection of fecal matter.

Anus

Urinary bladder

Reservoir in which urine from the kidneys collects before being evacuated through the urogenital aperture.

It´s an insignificant enlargement of the conjoined posterior ends of the urinary duct.

salty water fishes

Tend to lose water due to osmosis. In saltwater fish the kidneys concentrate the garbage and expel as little water as possible from the body

salty water fishes

freshwater fishes

in this fishes is inverse that the sea fishes because they Get water continuously the kidneys of the freshwater fishes

Are specially adapted to dispose of large quantities of dilute urine

freshwater fishes

differences between salty and freshwater fishes

conclusion

in conclution the fishes have many excretory organs but the most important is the kidney

They are the freshwater and the salty water fishes, one dispose of large quantities of dilute urine and the other small

activity

Do the soup letter of excretory organs of fishes

activity

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