1
Q
We have 3 excretory organs
A
Kidneys
Lungs and skin
2
Q
Kidney
A
Filter urea and salts from our blood this process is called filtration
3
Q
Excreation
A
The removal of toxic chemical substances in the body
4
Q
Lungs
A
Carbon dioxide and water
5
Q
Urea
A
which is toxic is produced in the liver from excess protein
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 lead to pores at the surface water salt and a tiny amount of urea
Living Things
flashcards
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