Which one of the following statements is TRUE regarding the process of filtration within the kidneys?
O a. It is the process of putting waste/excess back into the bloodstream and out of the urine
O b. It is the process of removing waste/excess from the blood and putting it into the urine
O c. This process occurs within the peritubular capillaries and the renal tubule
Od. It takes place within the vasa recta and the nephron loop