a. ureter b. urethra d_22. The filtering unit of the kidney c. bladder d. C_23. The procedure by which the blood un a. defecation b. exhalation c. hemodialysis C 24. The organ through which urine leave b skin @kidney b_25. The process by which wastes gene a. digestion b. excretion c. respira d. uret a. anus FOR NUMBERS 26-30 Read about the Nery Directions: Write True if the statement is cor 26. The nervous system is the contra