Question

what is epidermis and describe its structure and function

Answer 1

Our skin, the largest organ in our body, serves the crucial purpose with a layer known as the epidermis as our first line of defense.

FUNCTION: The epidermis is the outermost layer of our skin. Our epidermis is waterproof, Which is why we don't swell with liquid each time we bathe.


The epidermis is composed of 4-5 layers depending on the region of skin being considered.

Answer 2

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• Epidermis is the outer covering of the plants.
• These tissues plays various roles such as, protects the loss of water from the leaf surface, regulates the exchange of gases through the stomata.
• It also protect the plants from the damage cause by the external environment.
• For example, In case of human beings a layer of skin is present which protects us from various factors, similarly in case of plants a skin (known as epidermis) is present.
• Normally it is single layered cell tissue. Sometimes it may be multi layered.
• These cells are living. They have protoplasm around the large central vacuole.
• These cells show different shapes and sizes such as barrel , rectangular , elongated also fibre like.
• The cells form a continuous layer with or without gaps in between them.
• These cells are unevenly thick. Outer walls are thicker than inner walls and side walls.