Excretion

Question 1

What do the lungs excrete

Answer 1

Carbon dioxide and water vapour

Question 2

What to the kidneys excrete

Answer 2

They excrete water, salts and urea

Question 3

What does the skin excrete

Answer 3

Water and salts

Question 4

What are the functions of the urinary system

Answer 4

To make and excrete urine

Question 5

Main organs of excreting are

Answer 5

Lungs
Kidneys
Skin

Question 6

Function of the kidneys

Answer 6

Remove water, salts and urea from the blood to form urine

Question 7

What is the function of ureter

Answer 7

Carry urine to the bladder

Question 8

Urethra

Answer 8

Carries urine out of the body

Question 9

What is meant by excretion

Answer 9

It is the removal of waste products made in the body

Question 10

Renal artery

Answer 10

Carries blood to the kidneys

Question 11

Renal veins

Answer 11

Carries blood away from the kidneys, the blood has no waste