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chp13 anta%physio

QuestionAnswer
Urinary System Filters blood, removes waste, and maintains fluid balance
Homeostasis Stable internal balance in the body
Filtration Process of removing waste from blood to form urine
Waste Storage and Excretion Storage of urine and its removal from the body
Hormone Production Creation of hormones by the kidneys
Electrolytes Charged minerals important for body functions
Erythropoietin Hormone that stimulates red blood cell production
Calcitriol Active vitamin D that helps calcium absorption
Kidneys Organs that filter blood and produce urine
Ureters Tubes that carry urine to the bladder
Urinary Bladder Organ that stores urine
Urethra Tube that carries urine out of the body
Retroperitoneal Cavity Space behind the abdominal lining where kidneys are located
Renal Cortex Outer kidney layer containing nephrons
Renal Medulla Inner kidney region with pyramids
Renal Pelvis Funnel area that collects urine
Hilum Opening where vessels and nerves enter/exit kidney
Nephron Functional unit of the kidney
Glomerulus Cluster of capillaries where filtration occurs
Bowman’s Capsule Surrounds the glomerulus
Renal Tubule Tube where filtrate is processed
Filtrate Fluid formed after filtration
Reabsorption Return of useful substances to blood
Secretion Movement of waste into tubules
Urea Waste from protein breakdown
Creatinine Waste from muscle metabolism
Medullary Pyramids Structures that transport urine
Renal Calyces Cup-like structures that collect urine
Peristalsis Wave-like movement that pushes urine
Trigone Triangular area in bladder
Urination (Micturition/Voiding) Process of releasing urine
Sphincters Muscles controlling urine flow
Internal Sphincter Involuntary control
External Sphincter Voluntary control
Urinary Meatus Opening where urine exits body
Created by: ush
 

 



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