the hair
xylem
A major function of the epidermis is to prevent water loss. The outermost layer of the epidermis, called the stratum corneum, acts as a barrier to prevent excessive water loss from the body. This barrier function helps to maintain hydration and protect the deeper layers of the skin.
Sweat Glands
Blubber, or subcutaneous fat, helps prevent heat loss from the body. Keratin in the epidermis helps prevent water loss from the body.
Cuticle being impervious to water prevents water loss
Some cells have cell walls (plants do, animals don't) to keep their rigid structure. They also prevent water loss.
No, fat associated with skin prevents heat loss. Keratin and sebum associated with skin prevent water loss.
Most of their stomata are on the underside of the leaf.
A waxy layer called the cuticle prevents water loss in leaves.
to prevent excessive water loss by transpiration
prevent or replenish loss of water
The loss of body heat when in the water.