Grade 9 Renal System Worksheet
A comprehensive worksheet for Grade 9 Science students covering the structure and function of the human renal system, including kidney anatomy, urine formation, and related disorders.
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Grade 9 Renal System Worksheet
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Read each question carefully and answer to the best of your ability. Use the provided diagram for reference where indicated.
1. Which of the following is NOT a primary function of the renal system?
Maintaining blood pressure
Producing digestive enzymes
Filtering waste products from blood
Regulating electrolyte balance
2. The functional unit of the kidney responsible for filtering blood and forming urine is the:
Ureter
Bladder
Nephron
Renal artery
3. The outer region of the kidney is called the , while the inner region is the .
4. Urine is transported from the kidneys to the bladder by tubes called .
5. Briefly describe the three main processes involved in urine formation.
6. Using the diagram below, label the following parts of the kidney: Renal cortex, Renal medulla, Renal pelvis, Ureter, Renal artery, Renal vein.
7. The reabsorption of essential substances like glucose and amino acids primarily occurs in the Bowman's capsule.
True
False
8. Antidiuretic hormone (ADH) increases water reabsorption in the collecting ducts, leading to more concentrated urine.
True
False
9. Explain the role of the renal system in maintaining homeostasis in the human body. Provide at least three specific examples.