what is epidermis ?what is function of epidermis
Answers
Answer:
The epidermis is the outermost layer of the skin. The thickness of the epidermis varies depending on where on the body it is located. It is at its thinnest on the eyelids, measuring just half a millimeter, and at its thickest on the palms and soles at 1.5 millimeters.
Functions of the Epidermis
The epidermis acts as a barrier that protects the body from ultraviolet (UV) radiation, harmful chemicals, and pathogens such as bacteria, viruses, and fungi.
Historically, it was thought that the function of the epidermis was to regulate fluid and protect the body from mechanical injury. In recent years, we've come to understand that it is a complex system that plays a key role in how the immune system communicates and target defense.
Answer:
Epidermis is the outermost protective layer or covering of plant organs.
Epidermis protects all the parts of plant.
Functions:
It protect internal tissues against mechanical injury and cold or heat.
Multiple epidermis reduce loss of water from internal tissues.
Epidermal cells of roots have hairs that greatly increase the absorptive surface areas for the absorption of water and minerals.
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