What is the Excretory System responsible for?

• Digesting food and turning it into energy.
• Protecting your internal organs.
• Collecting and getting rid of the waste in your body. 
• Helping with your breathing.

What is the major organ in the Excretory System?

• Kidneys
• Lungs
• Heart
• Instestines

Which one is correct about the Urinary System?

• The Urine passes from the intestine through the ureter into the urinary bladder, where it is stored.
• The Urine passes from the lungs through the ureter into the urinary bladder, where it is stored.
• The Urine passes from the kidneys through the ureter into the urinary bladder, where it is stored.
  
• The Urine passes from the spleen through the ureter into the urinary bladder, where it is stored.

Where are the kidney's located?

• below the waist, toward the back
• below the waist, toward the front
• above the waist, toward the back
• above the waist, toward the front

How many kidneys do you have?

• 1
• 3
• 5
• 2

Where is urine stored?

• kidneys
• urinary bladder
• urethra
• ureters

Urine flows out of the kidneys through narrow tubes called

• Gallbladder
• Ureter
• Nephrons
• Urethra

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

• lungs
• skin
• liver
• kidneys

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

• ureters
• urethra
• urinary bladder
• urea

Under normal conditions, which of the following substances is found in urine?

• blood cells
• protein
• glucose
• urea