The Excretory System

Question 1

What are some points about egestion?

Answer 1

• Removal of undigested, leftover food from the digestive system
• It takes place through the anus and sometimes through the mouth
• It is a part of digestion
• The matter that is egested is faeces

Question 1

What are some points about excretion?

Answer 1

• Removal of metabolic waste (products of chemical reaction)
• It takes place through the urethra, skin or mouth
• It is it’s own separate process
• The materials that are excreted are urine, sweat or carbon dioxide

Question 2

What organs are involved in the excretory system?

Answer 2

• Kindey
• Ureter
• Bladder
• Urethra

Question 3

What does the kidney do in the excretory system?

Answer 3

Regulates/controls water and salt (ion) levels in the blood and removes urea

Question 4

What does the ureter do in the excretory system?

Answer 4

Transports the urine from the kidneys to the bladder

Question 5

What does the bladder do in the excretory system?

Answer 5

Stores the urine

Question 6

What does the urethra do in the excretory system?

Answer 6

Transports the urine from the bladder outside the body

Question 7

What is the function of the excretory system?

Answer 7

To remove metabolic waste

Question 8

What is the renal artery’s function?

Answer 8

Carries blood from your heart to the kidney

Question 9

What is the renal vein’s function?

Answer 9

Carries blood from the kidney and ureter to the inferior vena cava