Kidneys excrete nitrogenous waste (urine) and also regulate the water balance in vertebrates. Rat is a vertebrate, too.
The kidney excretes waste and regulates the water balance.
Two. Like in all the mammals.
Four
The kidneys of a chicken function the same way the kidneys do in a human body. Their function is to filter blood to remove waste and regulate electrolytes.
The kidneys of a chicken function the same way the kidneys do in a human body. Their function is to filter blood to remove waste and regulate electrolytes.
They drain unfilterd blood from the body into the kidneys
urine
This will depend on the person. For some people, kidneys do indeed function better laying down at night.
Baby baby
Filter the blood
the kidneys function by filtering the waste materials or products from the blood.
Yes, but in mammals it is a minor function. (In salt water fish it is their major function.)
golgi apparatus
That is more the job of the kidneys.