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Questions and Answers
Which of the following accurately describes the structure of the kidney?
What is the primary function of the hilum in the kidney?
Which of the following is NOT a characteristic of the renal pelvis?
What is the average weight range of an adult human kidney?
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Which statements correctly describe the anatomical organization of the kidney?
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Which of the following best describes the location of the kidneys?
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Study Notes
Excretory System Overview
- Comprises kidneys, ureters, urinary bladder, and urethra.
- Essential for waste elimination and fluid balance in the body.
Kidneys Structure and Function
- Reddish brown, bean-shaped organs located between the last thoracic and third lumbar vertebrae.
- Positioned close to the dorsal side of the abdominal cavity.
- Average dimensions: 10-12 cm in length, 5-7 cm in width, 2-3 cm in thickness.
- Average weight of a kidney ranges from 120-170 g.
- Contains a notch called the hilum, allowing entry for ureters, blood vessels, and nerves.
- Renal pelvis is a broad funnel-shaped space located just inside the hilum, with calyces that project into the pelvis.
- Outer structure protected by a tough capsule.
- Internal anatomy consists of two main zones: outer cortex and inner medulla.
- The medulla contains conical structures known as medullary pyramids, which project into the calyces of the renal pelvis.
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Description
Explore the human excretory system, focusing on the structure and function of the kidneys. This quiz covers key aspects such as the anatomy and physiological roles of the kidneys and associated organs. Test your knowledge about how these components work together in the excretion process.