2.9.2 Excretion in Humans Flashcards
1
Q
Humans have organs that are specialised for the removal, what?
A
certain excretory products
2
Q
Excretory organs of the human body include:
A
The kidneys for the excretion of urea, water and mineral ions
The lungs for the excretion of carbon dioxide and water
The skin for the excretion of excess mineral ions (e.g. sodium) and water
The liver for the breakdown of proteins (amino acids) into urea
3
Q
What do lungs excrete
A
Carbon Dioxide and Water
4
Q
What does skin excrete
A
Water and Mineral Ions
5
Q
What does the liver excrete
A
Produces urea from amino acids
6
Q
What do kidneys excrete
A
Water, Mineral Ions and Urea
