Question

Do blood flow through the kidney to filter the blood waste and out it by urine? Without DNA a cell is dead isn't it?

Answer 1

◎ Every day, the two kidneys filter about 120 to 150 quarts of blood to produce about 1 to 2 quarts of urine, composed of wastes and extra fluid. The urine flows from the kidneys to the bladder through two thin tubes of muscle called ureters one on each side of the bladder.

◎ Yes, A cell is dead without DNA in most of cases.
But there are little exception cases.
they are viruses and viroids. their cell contains only RNA and no DNA.