The correct path followed by urine on its way out of the body is
Correct answer: A. kidney, ureter, bladder, urethra
- A. kidney, ureter, bladder, urethra
- B. kidney, urethra, ureter, bladder
- C. bladder, kidney, ureter, urethra
- D. kidney, bladder, ureter, urethra
Explanation
Urine forms in the kidney, runs down the ureter, is stored in the bladder and leaves through the urethra. Mixing up ureter and urethra is the error the options are built to catch.
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About Kidney and Urinary System
The kidney and urinary system remove nitrogenous wastes, regulate water and ion balance, and help maintain blood pH through filtration, selective reabsorption and secretion. Questions cover nephron structure, ultrafiltration, the loop of Henle, collecting ducts, urine formation and the roles of ADH and aldosterone, while distinguishing excretion from egestion.
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