Urinay System Flashcards
Ate bean shaped organs about the size of a fist
Kidney
Regulates volume and composition of fluids in the body and removes waste products and excess fluid
Urinary system
The outer layer of the kidney is know as the
Renal cortex
The inner region of the kidney is known as
Renal medulla
The functional unit of the kidney is called??
-composed of glomerulus
Nephron
The kidney contains special receptors , which monitor the blood pressure and the concentration of the filtrate
Juxtaglomerular apparatus
When the blood pressure and or the sodium levels drop theses cells Are called
Renin
A filtered fluid is primary water mineral and vitamins glucose amino acids and waste products are known as
Urea and Uric acid
Renin secretion causes a chemical reactions that leads to the release of what ?
It is also the hormone secreted by the adrenal glands
Aldosterone
Triggers sodium and water reabsorption which increases BP and blood volume
Aldosterone
A hormone released by cells in the atria of the heart in response to the elevated BP and excess sodium in the blood
Atrial natriuretic peptide
Are long tubes that transport urine into the urinary bladder
Ureters
Stores the urine
Bladder
Signals the nervous system to empty the bladder
Distention
Transmit the impulses that cause bladder contraction
Parasympathetic fibers
