The Excretory System Kidney Structure amp Functions Kidneys Animation

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The excretory system, also known as the urinary system, is a vital physiological system in the human body responsible for eliminating waste products and maintaining fluid and electrolyte balance. Its primary components include the kidneys, ureters, bladder, and urethra. • Kidneys: These bean-shaped organs are located on either side of the spine, below the ribcage. The kidneys filter blood to remove waste products and excess substances, such as electrolytes and water, to form urine. They also play a crucial role in regulating blood pressure and producing hormones like erythropoietin, which stimulates the production of red blood cells. • Ureters: Each kidney is connected to the bladder by a tube called a ureter. The ureters transport urine from the kidneys to the bladder through peristaltic contractions, which are rhythmic muscular movements. • Bladder: The bladder is a muscular sac that stores urine until it is ready to be expelled from the body. It can expand to accommodate varying amounts of urine. When the bladder is full, signals are sent to the brain, indicating the need to urinate. • Urethra: This is the tube through which urine is expelled from the body. In males, the urethra also serves as the passage for semen during ejaculation. • The urinary system is essential for maintaining homeostasis by regulating the balance of water, electrolytes, and other substances in the body. It plays a key role in removing nitrogenous waste products, such as urea and creatinine, which are byproducts of metabolism. • #urinarysystem #excretorysystem #kidneys

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