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Urinary System. Chapter 15. http://www.youtube.com/watch?v=cc8sUv2SuaY&feature=related. What do Kidneys do?. Filter blood Excrete waste Maintain water. Where are nephrons located?. Renal cortex (some loops are in renal medulla). What is the “functional unit” of the kidneys?. nephron.
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Urinary System Chapter 15
What do Kidneys do? • Filter blood • Excrete waste • Maintain water
Where are nephrons located? • Renal cortex (some loops are in renal medulla)
How many nephrons are in each kidney? • One million
What structure does blood enter into within the nephron? • glomerulus
What structure surrounds the glomerulus? • Bowman’s capsule
What goes into the Bowman’s capsule? • Filtrate, including sodium, amino acids, glucose
What substances do NOT get filtered into the Bowman’s capsule? • RBCs, large proteins
What substances get reabsorbed as they go through the proximal tubule? • Glucose, sodium, water
Where is the loop of Henle located? • In the Medulla
What gets reabsorbed from the distal convoluted tubule? • Calcium, Sodium
What is left over after reabsorption has taken place? • Waste products and excess water
Where do waste products and excess water flow into? • Collecting ducts to collecting tubules
Watch Video on Urinary System/Kidney stones http://www.nlm.nih.gov/medlineplus/ency/anatomyvideos/000075.htm
Urinary System Overview The Kidneys, ureters, bladder and urethra comprise the: ___________ ______ Urinary Tract
Urinary System Overview Urine flows from the _____________ _________ to the _____________ _______________. Outer Cortex Inner Medulla
Urinary System Overview Name the structure that acts as a funnel through which urine leaves the kidney and enters the ureter. Renal pelvis
Urinary System Overview Kidney stones (also called renal calculi) can form when urine becomes too _____________. concentrated
Urinary System Overview True or False. Ureters are able to stretch without a problem and without producing pain. False. Ureters do not stretch much and can become very painful if a stone gets “stuck” inside them.
Urinary System Overview True or False. Most kidney stones stay “stuck” in somewhere along the Urinary tract and therefore require treatment. False. Most kidney stones pass on their own.
Watch Video on Urinary System/Kidney stones Watch Live partial nephrectomy http://www.orlive.com/shawneemission/videos/shawnee-mission-medical-center-to-host-robot-assisted-surgery-?view=displayPageNLM