Chapter 12 Urinary System

ur/o

• ureter

• urine

• urethra

• sodium

ren/o

• poop

• red

• kidney

• foot

pyel/o

• renal pelvis

• trigone

• ureter

• condition

ket/o

• pus

• ketone

• bacteria

• night

lith/o

• pus

• nitrogen

• stones

• thirst

This pair of purplish-brown organs is located below the ribs toward the middle of the back.

• kidney

• urea

• nephron

• ureter

These narrow tubes carry urine from the kidneys to the bladder

• nephron

• ureters

• bladder

• trigone

This triangle-shaped, hollow organ is located in the lower abdomen

• urethra

• kidney

• bladder

• spleen

These circular muscles help keep urine from leaking by closing tightly like a rubber band around the opening of the bladder.

• nerves

• bladder

• kidney

• sphincter muscle

alert a person when it is time to urinate, or empty the bladder

• nerves

• brain receptors

• medulla

• sphincter