REGULATION OF BODY FLUIDS

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

• ureters
• urethra
• urinary bladder
• urea

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

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

• blood cells
• protein
• glucose
• urea

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

• lungs
• skin
• liver
• kidneys

These organs are responsible for what?

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

What is #3 and its function?

• Kidney; filters blood

• Ureters; passageway of urine

• Bladder; storage of urine

• Urethra; passageway of urine for excretion

Where are the kidneys located?

• Upper part of your chest

• Back wall of the abdomen

• Above the heart

• The lower side of the brain

What are the filtering units of the kidneys?

• nephrons

• ureters

• nuerons

• alveloi

What is the main function of the Excretory System?

• to excrete saliva

• get rid of waste products from your cells

• break down food for digestion

• circulate oxygen

Which of the following parts is not found in the urinary system?

• Ureters

• Urethra

• Bladder

• Rectum