Excretion 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
Urea
A
Which is toxic, is produced in the liver from excess protein
4
Q
Excretion
A
Is the removal of toxic chemical substances, whispch are made in the body during metabolism
5
Q
Lungs
A
Carbon dioxide (Co2)and water are waste products of the process of respiration in all the cells of the body
6
Q
Test for carbon doixide
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.