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The Urinary system. By; Aarynn M, Lauren Br, and Becky D. Functions. To remove certain salts and nitrogenous wastes Maintain normal concentrations of water and electrolytes Regulation of pH The volume of bodily fluids Along control of red blood cell production and blood pressure management.

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the urinary system
The Urinary system

By; Aarynn M, Lauren Br, and Becky D

functions
Functions
  • To remove certain salts and nitrogenous wastes
  • Maintain normal concentrations of water and electrolytes
  • Regulation of pH
  • The volume of bodily fluids
  • Along control of red blood cell production and blood pressure management
organs in the urinary system
Organs in the urinary system
  • Kidneys
  • Tubular ureters
  • The urinary bladder
  • Tubular urethra
the kidneys
The kidneys
  • Structure
    • Laterally convex
    • Medially concave
    • Hilum- ureter passes through
    • Renal pelvis- at the superior end of ureter
  • Pelvis divides twice
    • 1. major calyces
    • 2. minor calyes
kidney function
Kidney function
  • Help maintain homeostasis
  • Balance ph
  • Secrete hormones (aka renin & erythropoietin)
slide7
aka
  • Renal artery hilum interlobar arteries arcuate arteries interlobararteries afferent arterioles renal vein inferior vena cava
nephrons
nephrons
  • Contain renal corpuscles and renal tubules
  • Corpuscle is made of glomerulus
  • Glomerular capsules surround glomerulus and receives fluid from glomerulus filters
  • proximal convoluted tubule becomes descending limb of nephron loop which in turn becomes ascending limb of nephron loop and turns into the distal convoluted tubule.
urine
Urine
  • Glomar filtration- plasma being filtered to create urine
  • Nephrons have two capillary networks
    • 1.filters fluid
    • 2.tubular reabsorption and tubular secretion
  • Reabsorption moves fluid back into the blood
  • Secretion moves substances from peritubularcapillary into the renal tubular.
  • Waste and excess products leave the body
  • These wastes = urine
urine 2
Urine (2)
  • Urine is roughly 95% water
  • Composed of water and waste the kidneys must eliminate
  • The other 5% of urine is usually urea and uric acid
    • Urea- the byproduct of amino acid catabolism (is reabsorbed by filtration)
    • Uric acid- product of metabolizing nucleic acids (requires active transport
urine excretion
Urine excretion
  • Made with in nephrons
  • Passes through renal palpitate
  • Goes to renal pelvis then ureters and urinary bladder
  • Exists the body through the urethra
diseases
Diseases
  • Chronic Kidney Disease
    • Causes
      • Diabetes
      • High Blood Pressure
      • Treatments
        • Medicines to lower blood pressure
        • Control blood glucose
        • Dialysis
        • Kidney Transplantation
diseases1
Diseases
  • Polycystic Kidney Disease
    • Autosomal dominant PKD
      • Starts at the ages of 30-40
    • Autosomal recessive PKD
      • Begins in the womb or months following birth
  • Causes
    • Genetic Disorder
  • Symptoms
    • Enlarged kidneys
    • Headaches, urincary tract infections, blood in urine , pain in the back and lower sides
  • Treatments
    • There is no treatment for PKD
work cited
Work cited
  • http://en.wikibooks.org/wiki/Human_Physiology/The_Urinary_System
  • http://www.studyblue.com/notes/note/n/practical-2/deck/6343870
  • http://anatomyforme.blogspot.com/2008/05/pathways-of-fluid-flow-through-kidney.html
  • http://www.ivy-rose.co.uk/HumanBody/Urinary/Urinary_System_Nephron_Diagram.php