Nephron!
water cycle
These are parts of the water cycle on the Earth.
the water cycle The water cycle. (It ends as rain - which is water.)
Another name for the water cycle is the hydrologic cycle.
I'm not sure what you mean by "from animals" but water is returned by- precipitation-infiltration-percolation-Run-off-Evaporation-transpiration-condensationAnimals contribute to the carbon cycle through excretion, which contains carbon. The oceans contain CO2 within them already.
Diuretic.
Nephron!
They will go out in the garden to put their scent then blood excretion.
excretion
500 Ml a day
it optain air by when it goes over water
water cycle
The water cycle
These are parts of the water cycle on the Earth.
dehydration
Due to excretion of urochrome, a blood pigment.