Do Learning Task 1 Identify what is being describe Select your answer from the list page 20 Module in Science 6. 1. A muscular sac where urine is temporarily stored a ureter b. kidneys c. urethra d. urinary bladder 2. The filtering unit of the kidney a.ureter b. urethra C. bladder d. nephron 3. The procedure by which the blood undergoes artificial filtering to remove wastes a.defacation b. exhalation c.hemodialysis d.urethra 4. The organ through which urine leaves your body a.anus b skin c. kidney d. urethra 5.The process by which wastes generally leave your body. a digestion b. excretion C. respiration d. perspiration