FOR ALL AGES
Normal skin senses sensations, relaying information to your brain about what is going on around you.
Human skin acts as a barrier between the vital organs, muscles, tissues, and skeletal system of your body and the outside environment. Bacteria, shifting temperatures, and chemical exposure are all kept out by this barrier.
The largest external organ of your body is your skin. Your skin is the primary organ for your sensation of touch, working in tandem with your neurological system. The skin is special in that it is capable of reacting to the active metabolite of vitamin D sources inthe body.
The skin's epidermis is a stratified squamous epithelium that is continually regenerating. It is comprised of keratinocytes, but it also contains Langerhans cells, melanocytes, and Merkel cells, all of which are supported by a dermis that contains the nerve and circulatory networks that supply the epidermis. A cornified stratified squamous epithelium makes up the epidermis. It is mostly made up of keratinocytes that multiply in the epithelium's basal layer before exiting to the outer surface.
Skin has three layers; the epidermis, or the outermost layer of skin, determines your skin tone and serves as a waterproof barrier. It is followed by a layer of tough connective tissues, hair follicles, and sweat glands called the dermis (middle layer). Finally, there is the hypodermis (a deeper subcutaneous tissue) containing fat cells and connective tissue.
The epidermis is the body's initial line of protection against external elements, UV radiation, bacteria, and other pathogens, as well as the water-resistant outer layer of skin. It consists of four to five sublayers of tightly packed cells.
The dermis is the layer of skin that lies underneath the epidermis. The hair follicles, sweat and oil glands, and blood arteries are all housed in this layer of skin, which also contains nerve endings. The hair follicles start at the epidermis's surface.
The subcutaneous layer of the skin (under the skin) fats, connective tissues, blood vessels, and nerve cells make up the hypodermis.
The epidermis serves as protection for your body against UV radiation, pathogens (bacteria, viruses, fungi, and parasites), and chemicals by acting as a shield.
The stratum corneum (outermost layer of the epidermis) stores water and helps skin hydration and health. Keratinocytes become corneocytes in the stratum corneum (horny layer). Fats also make up this stratum corneum layer of the skin, which prevents water from quickly entering or exiting your body. The stratum spinosum aids in the flexibility and strength of your skin.
As you become older, new skin cells form at the deepest layer of your epidermis (stratum basale) and move up through the other layers. After roughly a month, they reach the epidermis' outermost layer, where skin cells are shed from body regions, and new cells grow at the bottom layer.
Melanocytes are epidermal cells that generate melanin, a pigment family that gives skin its color. The epithelium surface of the skin is the body's chemical barrier against microbial invasion.
The epidermal cells and cuticle of leaves, like the skin of human beings, offer protection and cover for plant components.
The epidermis of plants is a single layer of cells, in contrast to the several layers of cells seen in the epidermis of humans and animals. The cuticle, an impermeable material released by epidermal layers to guard against desiccation, is an extra layer on top of the plant epidermis.
The epidermis is the outermost of the two layers that make up the skin of the human body. In the human body, epidermal cells serve as a barrier, defending against germs and other particles formed while also controlling the quantity of water released.
Your skin's outer layer (epidermis) is mostly made up of dead cells on the surface. The skin's abundant blood vessels and sweat glands help to manage body temperature by regulating heat loss from the body.
The cell renewal cycle is controlled by the epidermis; dead skin cells peel off the stratum corneum. A layer of the epidermis includes dead skin cells.
Dead cells are shed on a regular basis and are gradually replaced by basal cells generated from the basal layer. Melanocytes, basal cells that create melanin, the pigment that gives skin color, are also found in the basal layer.
Your skin will darken if your body produces more melanin.
Read The Disclaimer
At Kidadl we pride ourselves on offering families original ideas to make the most of time spent together at home or out and about, wherever you are in the world. We strive to recommend the very best things that are suggested by our community and are things we would do ourselves - our aim is to be the trusted friend to parents.
We try our very best, but cannot guarantee perfection. We will always aim to give you accurate information at the date of publication - however, information does change, so it’s important you do your own research, double-check and make the decision that is right for your family.
Kidadl provides inspiration to entertain and educate your children. We recognise that not all activities and ideas are appropriate and suitable for all children and families or in all circumstances. Our recommended activities are based on age but these are a guide. We recommend that these ideas are used as inspiration, that ideas are undertaken with appropriate adult supervision, and that each adult uses their own discretion and knowledge of their children to consider the safety and suitability.
Kidadl cannot accept liability for the execution of these ideas, and parental supervision is advised at all times, as safety is paramount. Anyone using the information provided by Kidadl does so at their own risk and we can not accept liability if things go wrong.
Kidadl is independent and to make our service free to you the reader we are supported by advertising.
We hope you love our recommendations for products and services! What we suggest is selected independently by the Kidadl team. If you purchase using the buy now button we may earn a small commission. This does not influence our choices. Please note: prices are correct and items are available at the time the article was published.
Kidadl has a number of affiliate partners that we work with including Amazon. Please note that Kidadl is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.
We also link to other websites, but are not responsible for their content.
Was this article helpful?
We’ll send you tons of inspiration to help you find a hidden gem in your local area or plan a big day out.
Check your inbox for your latest news from us. You have subscribed to:
Remember that you can always manage your preferences or unsubscribe through the link at the foot of each newsletter.