kidney
a kidney cell is also called a nephritic cell which is further classified as a somatic cell.
Any size you want it to be.
Millions even billions cells in human kidney.
yes
They are cells taken from an embryo in which they can be added to someone to change into a specialised cell. For example if a kidney needed to be replaced then an emryonic stem cell would have the nucleus of a working kidney cell added to it and then would be placed into the kidney of the patient, this will then trigger the reproduction of working kindey cells.
stomach
Yes, a non-functioning kidney can decrease in size due to conditions such as chronic kidney disease or kidney atrophy. When a kidney is unable to perform its normal functions, it may shrink over time as the surrounding healthy tissue takes over some of its workload.
anemia. The kidneys are responsible for producing erythropoietin (EPO), a hormone that stimulates red blood cell production. If kidney disease causes shrinking of the kidney, red blood cell production is reduced
basketball
The average size of a single kidney in an adult typically ranges from 10 to 12 centimeters in length and about 5 to 7 centimeters in width. When a person has only one kidney, the remaining kidney may undergo compensatory hypertrophy, potentially increasing in size to handle the body's filtration needs. Despite this, the average size remains similar to that of a normal kidney. Overall, individual sizes can vary based on factors like age, sex, and overall health.
In 2009 I had a Kidney stone removed in a two hour operation that was the same size as a Golf Ball. What would that be in metric! I have just found out that in the same Kidney I now have a 13mm stone plus a cyst.