organs of the urinary system Flashcards

1
Q

organs of the urinary system

A

1) Kidneys
2) Ureters
3) Urinary bladder
4) Urethra

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2
Q

Ureters

A

carry urine from kidneys to the urinary system

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3
Q

Urinary bladder

A

stores urine from the kidneys to the urinary bladder

bladder wall expands as urine enters

mucosal folds act as valves to prevent backflow, and urine exits via internal and external sphincters (skeletal muscles)

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4
Q

Incontinence

A

involuntary loss of urine

caused by pregnancy, enlarged prostate, nervous system disease, or muscle tone loss

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5
Q

Urethra

A

small tube extracts from urinary bladder to the external opening

removes urine from body

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6
Q

urethra in females

A

reproductive and urinary system are not connected

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7
Q

urethra in males

A

carries urine during urination and semen during ejaculation

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8
Q

Urination (peeing)

A

stretch receptors send signals to spinal cord

Motor nerve impulse from spinal cord cause urinary bladder to contract and the sphincters to relax

controlled reflex

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