Concept:The human excretory system filters blood, reabsorbs useful substances, and then eliminates waste as urine in a fixed sequence.
Explanation:Blood carrying both useful and harmful substances first reaches the kidneys (E).
The kidneys reabsorb useful substances back into the blood (D).
Wastes dissolved in water are then filtered out as urine in the kidneys (A).
Urine is carried from each kidney to the urinary bladder through the ureters (C).
Finally, urine stored in the bladder passes out through the urinary opening at the end of the urethra (B).
Answer:The correct order is (E), (D), (A), (C), (B) which matches option B.
