Excretory System MCQ, CEE, MBBS entrance Nepal Quiz
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Excretory System
The excretory system, also known as the urinary system, is a crucial organ system in the human body responsible for the removal of waste products and excess substances. This system plays a vital role in maintaining homeostasis by regulating the volume and composition of body fluids.
Key Functions
- Filtration: The kidneys filter blood to remove waste products, excess salts, and toxins, producing urine.
- Regulation: It helps regulate blood pressure, electrolyte balance, and acid-base homeostasis.
- Excretion: Waste products, such as urea, creatinine, and uric acid, are excreted from the body through urine.
Main Components
- Kidneys: Pair of bean-shaped organs that filter blood and produce urine.
- Ureters: Tubes that carry urine from the kidneys to the bladder.
- Bladder: A muscular sac that stores urine until it is excreted.
- Urethra: The tube through which urine is expelled from the body.
Importance in Health
Maintaining a healthy excretory system is vital for overall health. Conditions such as chronic kidney disease, urinary tract infections, and kidney stones can disrupt normal function, leading to serious health complications. Regular hydration, a balanced diet, and proper medical care are essential for supporting the health of this system.
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