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

* Is the removal of toxic chemical substance which are made in the body during metabolism

Question 2

3 excretory organs

Answer 2

Kidney
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 kidney

Question 5

Renal vein

Answer 5

Carries blood from the kidney

Question 6

Bladder

Answer 6

Stores urine

Question 7

Urethra

Answer 7

Release urine

Question 8

Urea

Answer 8

Which is toxic is produced in the liver from excess protein

Question 9

Lungs

Answer 9

The carbon dioxide and water are waste products of the process of respiration in all the cells of the body.
°carbon dioxide
°water
°energy
•they are carried to the lungs by the blood to be excreted

Question 10

Test for carbon dioxide

Answer 10

Limewater

Question 11

Test for water

Answer 11

Cobalt chloride paper

Question 12

Skin

Answer 12

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