Excretion Flashcards
1
Q
Excretory organs
A
Kidneys lungs and skins
2
Q
Kidneys
A
The kidneys filter urea and salts from our blood. This process is called filtration
3
Q
Urea
A
Is produced in the liver from excess protein
4
Q
Lungs
A
Carbon dioxide and water are waste products of the process of respiration in all the cells of the body
5
Q
Excretions
A
Is the removal of toxic chemical substances which are made in the body during metabolism
6
Q
Where does urea come from
A
Urea, which is toxic, is produced in the liver from excess protein.
7
Q
Test for Carbon dioxide
A
Limewater
8
Q
Test for water
A
Cobalt chloride paper
9
Q
Skin
A
Human skin has sweat glands which lead to pores at the surface - water ,salt,and a tiny amount of urea is excreted as sweat the
