expel
The contractile vacuole allows free-living protists to expel extra water
They produce ATP, and expel water
The contractile vacuole allows free-living protists to expel extra water
The contractile vacuole allows free-living protists to expel extra water
So there is space for other things.
yes they swallow water and expel the used water out their gills.
It would cease to expel water in the designed fashion.
Contractile vacuoles in protists collect water and then expel it when they become full.
Contractile vacuoles in protists collect water and then expel it when they become full.
Some ciliates, like the paramecium, have contractile vacuoles that fill with water and then expel the water when they get full.
The roots take in water and food - the leaves expel carbon dioxide.