Exretion Flashcards
1
Q
We have 3 excretory organs
A
Kidneys
Lungs
Skin
2
Q
Kidneys
A
Filter urea and salts from our blood. This process is called filtration.
3
Q
Excretion
A
The removal of toxic chemical substances in the body
4
Q
Urea
A
Which is toxic, is produced in the liver from excess protein
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 leads to pores at the surface- water, salt and tiny amount of urea is excreted as sweat through these pores.
