Urinary System Study Guide Flashcards
Secrete the hormone aldosterone to regulate the salt/water balance
Adrenal Gland
Provide blood to the kidneys
Renal arteries
Take filtered blood away from the kidneys
Renal veins
Filter the blood
Kidney
Contains the blood vessels and part of the nephrons and collecting ducts
renal cortex
Contains the collecting ducts
renal medulla
Small things (e.g., water, ions, glucose, amino acids, ammonium, urea) pass through
Glomerulus
Collects molecules that pass through the glomerulus
glomerular capsule
Provides blood to the glomerulus
Afferent arteriole
Takes filtered blood away from the glomerulus
Efferent arteriole
Reabsorb things from the tubules and secrete things into the tubules
Peritubular capillaries
Stores and releases the urine
Bladder
Allows urine to be released from the body; the external urethral sphincter is made of skeletal muscle so micturition can be controlled
Urethra
water, nitrogenous wastes (contain nitrogen; produced when amino acids and nucleotides are broken down), nutrients, ions, and other small things pass through the spaces between the podocytes and become part of the filtrate
glomerular filtration
nutrients, ions, water, etc. are returned to the blood capillaries
tubular reabsorption