Excretion

Question 0

Toxic substance

Answer 0

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

Question 1

Excretion

Answer 1

Is one of the characteristics of all living things

The removal of toxic chemical substances, which are made in the body during metabolism

Question 2

3 excretory organs

Answer 2

Kidneys
Lungs
Skin

Question 3

Kidneys

Answer 3

Filter (remove urea and salts) as they clean our blood

This process is called filtration

Question 4

Renal artery

Answer 4

Carries blood to the kidney

Question 5

Renal vein

Answer 5

Carries blood from the kidney

Question 6

Kidney

Answer 6

Filters blood to remove urea

Question 7

Ureter

Answer 7

Transports urine to bladder

Question 8

Bladder

Answer 8

Stores urine

Question 9

Urethra

Answer 9

Releases urine

Question 10

Urea

Answer 10

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

Question 11

Lungs

Answer 11

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

Question 12

Test for carbon dioxide

Answer 12

Limewater

Question 13

Test for water

Answer 13

Chloride paper

Question 14

Skin

Answer 14

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