Trace a molecule of urea from the renal artery to its final destination outside the body of a female. ttttttttttt ttttttttttt the Note that urea is sometimes recycled, meaning it is reabsorbed in the medullary collecting duct and secreted back into filtrate at the thin limb of the nephron loop. Your instructor may want you to take this into account in your tracing of the urca molecule. If so, write the alternate path here: