Excretory System Review

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

Which excretory organ eliminates water and some chemical wastes in perspiration?

• lungs
• skin
• liver
• kidneys

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

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

Organs of excretion that maintain homeostasis include the kidneys, lungs, skin, and

• bronchus.
• diaphragm.
• bladder.
• liver.

Tags

NGSS.HS-LS1-3

Using the picture, what is the structure of A?

• ureter
• kidney
• urinary bladder
• urethra

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

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

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

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

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

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

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