Excretion

Question 0

Toxic substances

Answer 0

Are poisonous and can harm cells of the body if not removed

Question 1

Excretion

Answer 1

Is one of the characteristics of all living things. The removal of all toxic chemical substance,which are made in the body during metabolism

Question 2

3 excretory organs

Answer 2

Kidneys
Lungs
Skin

Question 3

Kidneys

Answer 3

The kidneys filter (remove urea and salt) as they clean our blood
This process is called filtration
If you kidneys are damaged you may need to go on a dialysis machine

Question 4

Renal artery

Answer 4

Carries blood to kidney

Question 5

Renal vein

Answer 5

Carries blood from kidney

Question 6

Ureter

Answer 6

transports urine to the bladder

Question 7

Bladder

Answer 7

Stores urine

Question 8

Urethra

Answer 8

Releases urine

Question 9

Urea

Answer 9

Which is toxic, is produced in the liver from excess protein

Question 10

Lungs

Answer 10

Carbon dioxide and water are waste products of the process of respiration in all the cells of the body
They are carried by the lungs by the blood to be excreted

Question 11

Test for carbon dioxide

Answer 11

Limewater

Question 12

Test for water

Answer 12

Cobalt chloride paper

Question 13

Skin

Answer 13

Human skin has sweat glands which lead to pores at the surface - water,salt and a tiny amount of urea is excreted as you sweat through these pores