Urinary System Worksheet

Urinary System Worksheet

Read each question carefully and answer to the best of your ability. Use the provided diagram to answer relevant questions.

1. What is the primary function of the urinary system in the human body?

2. Name the four main organs that make up the human urinary system.

Use the diagram below to answer questions 3 and 4.

3. The outer region of the kidney is called the  , while the inner region is known as the  .

4. Blood enters the kidney through the renal   and leaves through the renal  .

5. Which of the following is the functional unit of the kidney responsible for filtering blood and forming urine?

6. The process by which water, salts, glucose, and amino acids are reabsorbed from the filtrate back into the blood is called:

7. The bladder stores urine until it is eliminated from the body.

8. The process of urination is also known as defecation.

9. Briefly describe the three main steps of urine formation in the nephron.

Use the words below to complete the sentences.

10. The ball of capillaries where filtration occurs in the nephron is called the  .

11. Tubes that carry urine from the kidneys to the bladder are called  .

12. The hormone   helps regulate water balance by increasing water reabsorption in the kidneys.

13. The urinary system plays a vital role in maintaining  , the body's internal balance.