Chapter 18: Excretory System Flashcards
alkalosis
higher in PH
kidney helps regulate
higher than 6.45
acidosis
lower in ph
lower than 6.42
kidney helps regulate
Loop of Henle
u shaped
section of the nephron tubule that conserves water and minimizes the volume of urine
calyx
cup-like collecting region of the renal pelvis
external urinary sphincter
Used to control the exit of urine. Made up of striated muscle and is voluntary.
Makes and females
Allows someone to start or stop flow of urine
nephron
collection of is called renal pyramid
functional unit of kidney
filters
Renal corpuscle in cortex
urination
emptying of the bladder
3 steps in urine formation
glomerular filtration
Tubular reabsorption
tubular secretion
Functions of the Excretory system
excretion, regulate blood vol and pressure, regulate ions and molecules in blood, hormone secretion, vitamin D synthesis
diuertics
substance that makes you pee
internal urinary sphincter
Used to control the exit of urine. Made up of smooth muscle and is involuntary
Males
Stops semen from entering bladder during sex
ureter tubes
comes from kidneys and attaches to bladder
medula
inner region of kidney
nephrons are found
Distal convoluted tubule
particles (waste) that are too big can be actively picked up
renal pelvis
central collecting region in the kidney