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Q9 (CDS-I/2020) Science & Technology › Basic Science (Physics, Chemistry, Biology) › Human anatomy physiology Answer Verified

Which one of the following is the correct sequence of organs that occur in the path of urine flow in the human body?

Result
Your answer: —  Â·  Correct: A
Explanation

The human excretory system follows a specific anatomical sequence for the production and elimination of urine. The process begins in the kidneys, where blood is filtered to remove nitrogenous wastes like urea [1]. The urine formed in each kidney then enters a pair of long tubes called ureters [2]. These ureters conduct the urine from the kidneys down to the urinary bladder, a muscular sac located in the pelvic cavity that serves as a temporary storage reservoir [1]. Once the bladder expands and creates the urge to urinate, the urine is finally expelled from the body through a single tube-like structure known as the urethra [2]. Therefore, the correct physiological path of urine flow is Kidney → Ureter → Urinary Bladder → Urethra [1].

Sources

  1. [1] Science , class X (NCERT 2025 ed.) > Chapter 5: Life Processes > 5.5.1 Excretion in Human Beings > p. 96
  2. [2] Science , class X (NCERT 2025 ed.) > Chapter 5: Life Processes > 5.5.1 Excretion in Human Beings > p. 97
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