the main reason is the heavy water loss from the body .Actually it's function is to filter the blood and separate waste fluid and excrete as urine . Instead of it, it filters the blood flowing it and become shrik during water loss ..
TO AVOID THIS I REGUEST ALL THE PEOPLE TO TAKE WATER 5 LITRES A DAY ...
Shrinkage
There are two kidneys in human body. I
2
filters blood
no
Just like human kidneys, guinea pig kidneys filter the blood to maintain health.
The kidneys filtrate waste and pass urine to the urinary bladder.
The human organs are the heart the lungs (kidneys?)Mucsels
Human body has two kidneys
2
2
2