Skin has a lot of different functions. It is a stable but flexible outer covering that acts as barrier, protecting your body from harmful things in the outside world such as moisture, the cold and sun rays, as well as germs and toxic substances.
What types of damage does skin protect the body from?
From what types of damage does the skin protect the body? Chemical (acids), mechanical (pressure/trauma), bacterial, desiccation (via the waterproof keratin), UV, & thermal.
Does the skin protect the body from mechanical damage?
The skin provides protection to its underlying tissues from pathogens, mechanical damage, and UV light. … Melanocytes in the epidermis produce the pigment melanin, which absorbs UV light before it can pass through the skin. UV light can cause cells to become cancerous if not blocked from entering the body.
Does the skin protect from injury?
The dermis also contains pain and touch receptors. The subcutaneous fat layer is the deepest layer of skin. It consists of a network of collagen and fat cells. It helps conserve the body’s heat and protects the body from injury by acting as a shock absorber.
How does skin repair itself when the epidermis is damaged?
The ability of the skin to heal even after considerable damage has occurred is due to the presence of stem cells in the dermis and cells in the stratum basale of the epidermis, all of which can generate new tissue.
Is skin the largest organ in the human body?
Skin is the largest organ of our body. The skin is made up of three main layers: the epidermis, dermis and subcutis.
How does skin protect against internal injury?
Disease: skin works to neutralise aggressors such as bacteria, viruses and pollution and prevent them for entering the body. UV rays: over-exposure to these harmful rays generates free radicals – aggressive molecules that cause cell damage. Pressure, blows and abrasion: skin recognises pain and alerts us to danger.
What part does the skin play in your immune system?
The skin is one of the first defense mechanisms in your immune system. Tiny glands in the skin secrete oils that enhance the barrier function of the skin. Immune cells live in the skin and provide the first line of defense against infections.
Which body part does not contain melanin?
|Term Which layer of the skin does NOT contain blood vessels? a)epidermis b)hypodermis c)dermis||Definition a)epidermis|
|Term Which of these body parts does NOT contain melanin? a)nails b)hair c)skin||Definition a)nails|
What can happen if a part of the body is not covered with skin?
Without skin, people’s muscles, bones, and organs would be hanging out all over the place. Skin holds everything together. It also: protects our bodies.
What happens when skin is damaged?
A burn results when the skin is damaged by intense heat, radiation, electricity, or chemicals. The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal.
How does damaged skin heal?
Spindle-shaped cells known as fibroblasts migrate to the damaged area and churn out collagen and other proteins that provide tissue with structure. Within three weeks of the injury occurring, the wound has healed.
How do you treat chunks of missing skin?
Use cool compresses: Wet a washcloth or towel with cool water and hold it on your wound as directed. Ask how often to apply the compress and for how long each time. Reduce scarring: Avoid direct sunlight on your wound. Sunlight may burn or change the color of the new skin over your wound.