Excretion Flashcards
1
Q
We have three excretory organs
A
Kidneys
Lungs
Skin
2
Q
Kidneys
A
Filter urea and salts from our blood . This process is called filtration
3
Q
Liver
A
Toxic urea is removed and carried by blood to the kidney
4
Q
Excretion
A
Excretion is the removal of toxic chemical substances , which are made in the body during metabolism such as urea