The Excretory System

Which of these is Not an organ of excretion?

• 
• 
• 
• 

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
• urinary bladder
• urea

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

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

Using the picture, what is the function of structure D?

• Carries urine away from the kidneys
• Stores urine
• Eliminates urea, excess water, and some other materials
• Carries urine away from body and eliminates it

These organs are responsible for what?

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

Tags

NGSS.MS-LS1-3

Urine flows out of the kidneys through narrow tubes called

• Gallbladder
• Ureter
• Nephrons
• Urethra

What is #2?

• Kidney
• Ureters
• Bladder
• Urethra

What is #3?

• Kidney
• Ureters
• Bladder
• Urethra

What is #4?

• Kidney
• Ureter
• Bladder
• Urethra