Excretory System

What is the main function of the excretory system?

• to collect and remove wastes from the body
• to strengthen skeletal muscles
• to protect the nervous system
• to bring oxygen to body cells

Which organ of the excretory system stores urine until the body is ready to eliminate it?

• ureters

• urethra

• bladder

• urea

The process of removal of the body’s wastes is called

• gas exchange.
• respiration.
• excretion.
• filtration.

The excretory system rids the body of ______ waste.

• solid
• liquid

The tube that carries urine from the kidney into the bladder is called the:

• Ureter
• Urethra
• Proximal Tubule
• Collecting Duct

These organs are responsible for what?

• storing urine
• storing water
• filtering blood
• they don't have a particular job 

What is #2?

• Kidney
• Ureters
• Bladder
• Urethra

What is #3?

• Kidney
• Ureters
• Bladder
• Urethra

What is #4?

• Kidney
• Ureter
• Bladder
• Urethra

What is #1?

• Kidney
• Ureters
• Bladder
• Urethra