Answer
Option B - Kidney
Step-by-step explanation
The organ of the excretory system which is responsible for the filtration of liquid waste from the blood is kidney. It excretes out excess water and waste products like urea, salts. These waste products are then send to the bladders in the form of urine through ureters. Urine is stored in bladder. It has salts, toxins, and water that need to be filtered out of the blood of the human being.