Which of the following part of urinary system temporarily stores urine, and releases it when filled?
Correct answer: D. IV
- A. I
- B. II
- C. III
- D. IV
- E. V
Explanation
Urinary bladder is the part of the urinary system that temporarily stores urine and releases it when filled. The kidneys filter blood and produce urine, which then travels down the ureters to the urinary bladder for storage. The urinary bladder is a muscular sac that can expand and contract to accommodate varying amounts of urine. When the bladder is full, nerve impulses signal the bladder muscles to contract and the urinary sphincter to relax, allowing the urine to flow out of the body through the urethra.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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