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Body Systems: Urinary System

An in depth analysis of the Urinary System
by

Kristen Meyers

on 31 March 2011

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Transcript of Body Systems: Urinary System

Body Systems: The Urinary System Function: Keeps the body balanced
by removing waste products Parts: Kidneys Ureters Bladder Urethra Sphincter Kidneys Sources: http://kidney.niddk.nih.gov/kudiseases/pubs/yoururinary/ http://kidney.niddk.nih.gov/Kudiseases/pubs/yourkidneys/ Location: Just below ribcage towards back, one on either side of the spine. Function: Processing 200 quarts of blood daily to remove about
2 quarts of waste products and extra water from the
natural breakdown of tissues and from food. Production: EPO-stimulates creation of red blood cells
Renin-regulates blood pressure
Calcitriol-regulates calcium Do We Need Both Kidneys? No. Many people can function well with only one. A slight decline in the productivity of the kidneys is not really noticable. The real problems start with "renal" or "kidney" failure, which is from about 60%-100% loss of functioning. Ureters: Description: Each is about 30 cm long, connect kidney to bladder through a canal that prevents the backflow of urine into the kidneys. Urine is pumped through these tubes by peristaltic waves that occur ethree times a minute Bladder: http://medical-dictionary.thefreedictionary.com/ureter Structure: Muscular sac lined with a mucous membrane Function: Provide a temporary storage of urine from the kidneys via the urethra. Capacity: http://medical-dictionary.thefreedictionary.com/urinary+bladder Up to 600mL Bladder Tumor in a Cow Causes Smoking Chemical Exposure Sideaffect of Radiation/Chemotherapy Long-term Bladder Infections Parasite Infection Symptoms Blood in urine Painful Urination Urinary Frequency/ Urgency Treatments Surgery: Remove Tumor/Bladder Chemotherapy http://www.nlm.nih.gov/medlineplus/ency/article/000486.htm Sphincter: Bladder Cancer Urinary Incontinence Mainly due to aging, obesity, constipation, or chronic coughing. Weak bladder muscles cause the person to lose some control over when they urinate. Urethra: http://www.mayoclinic.com/health/aging/HA00040 Fact: Urine is almost odorless when it leaves a healthy body. Surprised! Well, another surprising urine fact is that urine is also sterile when it leaves the body. It does contain metabolic wastes, salts and fluids, however, it is devoid of viruses, bacteria and fungi. Once the urine comes outside the body, bacteria converts chemicals present in it to other forms of smelly chemicals like ammonia, etc. http://www.buzzle.com/articles/urinary-system-facts.html Since urine contains large amounts of urea, it is an excellent source of nitrogen for plants and a good accelerator for compost; it is thousands of times less toxic than ammonia. Gardeners often recommend a dilution of 10-15 parts water to one of urine for application to pot plants and flower beds during the growing season. Fact: http://www.worsleyschool.net/science/files/urinary/system.html Fact: People adrift at sea or lost in the desert for long periods often resort to drinking their urine when no rainwater is available. However, this won't prevent you from dying of dehydration, especially if it causes vomiting. Controls the outward flow of urine from the bladder by contracting and relaxing around the urethra Function: Structure: Similar to a rubber band Fact: The yellow colour of urine was once thought to come from gold. Alchemists in the middle ages spent much time trying to extract gold from urine. They were of course unsuccessful, but along the way made other discoveries, including white phosphorus and urea. Function: Exit for urine from bladder Structure: Tube that connects bladder to outside of the body Fact: Urine has historically been used as an antiseptic. In times of war, when other antiseptics were unavailable, urine, the darker the better, was utilized on open wounds to kill bacteria. http://www.livestrong.com/article/310810-cycling-bladder-problems/ Biker's & Bladders Some bikers experience a burning sensation while peeing, frequent urge to urinate without passing urine or blood in the urine. Causes: Treatments: Biking more Rugged Terrain Uncomfortable seats Too tight of clothing Bike crashes Breathable clothes Better diet Comfortable seat Medication The End Urinary Tract Infections are much more common in females than males because of the shape and length of the urethra. Prevention of Problems Good Hygiene Urinate Frequently Females: Change feminine hygiene products frequently Avoid frequent bubble baths HYDRATE
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