Excretion

What are the main functions of the excretory system?

• deliver oxygen to the body

• deliver nutrients to the body

• remove water and metabolic wastes from the body

• remove disease from the body

Which organ(s) remove waste gases?

• Bladder and kidneys

• Lungs

• Large intestine

Which organ filters blood?

• Kidney

• Large Intestine

• Lung

• Bladder

Why is your skin part of the excretory system?

• Sweating gets rid of salt and water

• Exhaling releases carbon dioxide

• Sweating gets rid of carbon dioxide

• The large intestine releases feces

What is organ is #1?

• Kidney

• Stomach

• Bladder

• Heart

What organ is #3?

• Kidney

• Stomach

• Bladder

• Heart

Which structure transports urine from the kidney to the bladder?

• Ureter

• Urethra

• Bladder

• Kidney

What is the name of the structure that leads from the bladder to the outside environment?

• Ureter

• Bladder

• Urethra

• Kidney

In addition to water, the principal components of urine are

• amino acids and fatty acids
• urea and salts
• ammonia and bile
• hydrochloric acid and bases

The excretory system is responsible for moving toxic wastes, dissolved molecules, and excess heat. You would conclude that the excretory system contributes to

• circulating molecules around the body

• maintaining homeostasis in the body

• producing glucose

• gas exchange