7LS - The Urinary System

Put the following events (a-e) in order. a. urine passes through ureter b. water and dissolved substances leave blood vessels c. urine passes through the urethra d. urine collects in the bladder e. water and salts return to the blood

b. water and dissolved substances leave blood vessels. e. water and salts return to the blood a. urine passes through ureter d. urine collects in the bladder c. urine passes through the urethra

What four organs are part of the urinary system?

kidneys, ureters, bladder and urethra

What two structures are part of the excretory system but not part of the urinary system?

the lungs and sweat glands

What structure does water enter to be filtered as it leaves the blood vessels?

the nephron

What organ connects a kidney to the bladder?

a ureter

What would happen if the second step of filtering didn't occur?

Your body would lose a lot of water and many nutrients.