Excreation

Question 0

Toxic substances

Answer 0

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

Question 1

Excreation

Answer 1

Is one of the characteristics of living things

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

Question 2

3 excretory organs

Answer 2

Kidneys
Lungs
Skin

Question 3

Kidneys

Answer 3

The kidneys filter (remove urea and salts) as they clean our blood
This process is called filtration
If your 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 bladder

Question 8

Urethra

Answer 8

Releases urine

Question 9

Urea

Answer 9

Urea is toxic, it’s produced in the liver from excess protein

Question 10

Lungs

Answer 10

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 excreated

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 leads to pores at the surface - water, salt, and a tiny amount of urea is excreated as sweat through these pores

Question 14

Bladder

Answer 14

Stores urine