25. The Urinary System

The macula densa cells respond to which of the following changes in the filtrate?

Which term refers to the functional unit of the kidney responsible for filtering blood and forming urine?

Which organ is primarily responsible for water reabsorption in the urinary system?

Which substances does the urinary system primarily excrete to eliminate waste from the body?

Which of the following functions does a dialysis machine perform to act as an artificial kidney?

A renal calculus is the term for which of these conditions?

The tubular organ carrying urine from the renal pelvis to the urinary bladder is the ______.

Which body system is primarily responsible for removing metabolic wastes from the blood by filtering it to form urine?

Which of the following functions is performed by the urinary system?

What substance collects in a renal papilla?

Which of the following nitrogenous wastes requires the greatest amount of water to excrete?

Which of the following organisms have an excretory system that functions without a filtration step?

Which funnel-shaped structures in the kidney empty into the renal pelvis?

What is the process of removing wastes from the body called in the urinary system?

Which of the following is not a part of the juxtaglomerular complex?