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

Urine is _____ mixed with excess water.

• blood cells

• protein

• glucose

• urea

Which organ helps the excretory system by eliminating water and some chemical wastes in perspiration (sweat)?

• lungs

• skin

• liver

• kidneys

On the diagram, A is pointing to the kidneys. What is the function of the kidneys?

• Carries urine away from the kidneys to the bladder

• Stores urine

• Eliminates urea, excess water, and some other materials

• Carries urine out of the body and eliminates it

On the diagram, C is pointing to the bladder. What is the function of the bladder?

• Carries urine away from the kidneys to the bladder

• Stores urine

• Eliminates urea, excess water, and some other materials

• Carries urine out of the body and eliminates it

On the diagram, D is pointing to the urethra. What is the function of the urethra?

• Carries urine away from the kidneys to the bladder

• Stores urine

• Eliminates urea, excess water, and some other materials

• Carries urine out of the body and eliminates it

What is organ is #1?

• Kidney

• Ureters

• Bladder

• Urethra

Tags

NGSS.MS-LS1-3

What organ is #3?

• Kidney

• Ureters

• Bladder

• Urethra

What is organ is #2?

• Kidney

• Ureters

• Bladder

• Urethra

What is organ is #4?

• Kidney

• Ureters

• Bladder

• Urethra