cork cells
epidermis
The outermost layer both the upper and lower surfaces is the clear, waxy cuticle. This layer protects the inner tissues and slows down water loss from the leaf.
As the upper surface is covered with a waxy cuticle which protects the plant from dehydration if the stomata were covered by a cuticle they would not be able to function.
i think its the liver because when people have to donate one of theirs they still survive, but they have eat small. The system liver is on is the digestive system. I think you must mean kidney - human beings only have one liver
its the pennni system
This is called the integumentary system.
cork cells
The integumentary system (skin) blocks the entrance of pathogens and prevents the loss of water.
The integumentary system is used as a waterproof barrier that blocks the entrance of pathogens into and prevents water loss from the body.
epidermis
protects the leaves from excess of water or loss of water.
protects against water loss the same as the upper epidermis do
epidermis
epidermis
It is not one usually sees as an organ, but the skin helps to hold and lose water.
The Cuticle