Answer: Option B.
Loop of henle.
Step-by-step explanation:
The kidney longidutinal section is divide into inner and outer medulla.
The outer contain the Bowman's capsule, glomerulus e.t.c . The inner medulla of the kidney contains the loop of henle
Loop of henle is a long u shaped like part , found in the Inner medulla of the kidney. It move urine from each nephron of the kidney. It help to reabsorb water and sodium chloride from the urine. It carries filtrate from the proximal tubule to the renal medulla and move it back to the renal cortex.