Excretion Flashcards
1
Q
We have 3 excretory organs
A
The kidneys, lungs and skin
2
Q
Kidneys
A
Filter urea and salts from our blood. This process is called filtration.
3
Q
Urea
A
Is toxic, it is produced in the liver from excess protein
4
Q
Excretion
A
Excretion is the removal of toxic chemical substances, which are made in the body during metabolism
5
Q
Lungs
A
Carbon dioxide and water are waste products of the process of respiration in all the cells of the body
6
Q
Test for carbon dioxide -
A
Limewater
7
Q
Test for water -
A
Cobalt chloride paper
8
Q
Skin
A
Human skin has sweat glands which lead to pores at the surface - water, salt and
