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carry urine from kidneys to bladder
ureter
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temporary storage of urine and its emilmination is known as...
bladder
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carries urine from bladder to exterior
urethra
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-bilateral tubes about 10-12 inches
-move urine to bladder by peristalic waves
-contain smooth muscle and are innervated by autonomic nervous system
ureters
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-hollow muscular organ that lies behind the symphasis pubis
bladder
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bladder is lined with
epithelial mucosa
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base of bladder is known as the ______, where ureters enter
trigone
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________ muscle is arranged in layers that allow the bladder to ______ and _____
detrussor; expand and contract
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healthy adults get the urge to piss when the bladder contains ____-_____mL of urine
300-500mL's
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muscle tone in the trigone prevent what?
a backflow of urine from the bladder into the ureters
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the ______sphincter, _______ in response to a full bladder, signaling the urge to urinate.
internal; relaxes
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________ urethral sphincter is formed by ______ muscle and is under _______ control
external; skeletal, voluntary
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This part is the last in the urinary system and is a thin walled muscular tube the channels urine and semen out of the body
urethra
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female urethra = ____ inches?
1.5
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male urethra = ___ inches
8 inches
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why is the right kidney situated lower than the left
because of the liver
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dense layer of connective tissue protects and anchors the kidney
renal fascia
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outer layer of kidney and houses glomeruli and small clusters of capillaries
cortex
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inner portion of kidney, nephrons for renal pyramids which channel the urine to the branches of the innermost region, the renal pelvis
medulla
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cavity or innermost area of kidneys, hollow and collects urine as it passes through the collecting ducts (from medulla) and urine is channeled from pelvis thru ureters and into the the bladder for storage
pelvis
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-formation of urine
-maintains and regulates the bodys internal environment
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kidneys process about ___ liters of filtrate each day, only __% is excreted as urine
180 liters, 1% is excreted as urine
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formation of urine is by the process ________filtration, tubular _________, and tubular _______.
glomerular, reabsorption and excretion
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kidneys help regulate ___- ____ ______ and _______ ______
acid base balance, blood pressure
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what does erythropoietin do in kidneys?
erythropoietin is a hormone secreted by the kidneys to stimulate bone marrow to produce RBC's
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Renin is secreted when B/P _____, then initiates _____-_________-_________ _________ which results in formation of _______ ___.
drops, renin-angiotension-aldosterone mechanism, agiotension II.
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angiotension II stimulates _________ and increases the secretion of ___________, both of which help raise b/p.
vasocontriction; aldosterone
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________ hormone is secreted by the kidney stimulate the bone marrow to produce ____
erythropoietin; RBCs
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the skin, liver, lungs, and intestines also eliminate metabolic
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