Urinary System Flashcards

1
Q

Urinary system consists of: (in order of how urine is expelled)

A

2 kidneys
2 ureters
Urinary bladder
Urethra

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2
Q

Kidney function:

A

Filters blood

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3
Q

Ureter function:

A

Tubes that transport urine to the bladder, where urine is stored before urination through the urethra to the outside

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4
Q

Nephrons:

A

Filters blood by removing waste material and return the substances we need in our blood

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5
Q

Filtration process of blood in the kidneys:

A
  • Occurs through the glomerulus in Bowman’s capsule of the nephron under the force of blood pressure
  • Components needed by the body such as water, glucose, and ions leave the nephron by diffusion and reenter the blood
  • Water is reabsorbed at the tubules of the nephron
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6
Q

Glomerulus:

A

Filters blood via capillaries by removing proteins

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7
Q

Renal corpuscle consists of:

A

Glomerulus and bowman’s capsule

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8
Q

Bowman’s capsule:

A

Entrance to proximal convoluted tubule, covers glomerulus

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9
Q

Renal tubules (proximal and distal):

A

Regulates blood osmolarity, pH, and absorption of electrolytes (sodium, chloride, potassium)

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10
Q

Kidney structure:

A

Outer renal cortex with an inner renal medulla

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11
Q

Decrease in blood pressure causes:

A
  • Secretion of renin
  • Activates ADH that causes increased reabsorption of sodium ions and water
  • Raises blood volume and pressure and decreasing urine output
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