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renal and urinary system overview with fluid and electrolytes key information £7.49
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  3. The University Of Winchester Winchester
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renal and urinary system overview with fluid and electrolytes key information
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renal and urinary system overview with fluid and electrolytes key information

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  • October 9, 2023
  • 4
  • 2023/2024
  • Lecture notes
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NURSING NOTES
renal system overview urinary system overview

The kidneys are two bean-shaped organs in the renal system. They urine composition -

help the body pass waste as urine. They also help filter blood
96% water
before sending it back to the heart.


2% urea
The kidneys perform many crucial functions,


2% uric acid , creatine ,ammonia, sodium, potassium, chloride,
including:
phosphate, sulphate ,oxalate
Maintaining overall fluid balances
Regulating and filtering minerals from the blood
medications, and toxic substances ,medications and toxic
substances
creating hormones - that help produce bone health , blood bladder -
pressure , red blood cells (erythropoietin)

held in place by ligaments attached to pelvic bones


two ureters - bladder walls relax and expand to store urine and constrict to

empty
narrow tubes

urethra -
carry urine from kidney to bladder

allows urine to pass outside the body
backflow in the tubes is the cause of kidney infections.

brain signals tighten the bladder and relax sphincter




two sphincter muscles-


keep urine from leaking


close tightly like a rubber band




nerves in the bladder -


the nerves alert when it is time to urinate

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