To write:
The reason for not feeling pain at the site of burn due to third-degree burns.
Introduction:
Burns are classified into three types based on severity caused by the burn these are first-degree burn, second-degree burn, third-degree burn.
Explanation of Solution
In first-degree burn, only cells in the epidermis layer are injured and may die. These types of burns cause mild pain, redness and swelling in the affected area. In second-degree burn cells which are deeper in the epidermis die. Cells in the dermis region may get injured or die. Blisters and pain are the effects of these types of burns.
In third-degree burn, dead cells are present in the epidermis and dermis region. In these types of burns, nerve and muscle cells are also injured. The skin stops functioning in this type of burn. For the treatment of these types of burns, transplantation of skin is needed. In third-degree burn, a person doesn’t feel pain at the site of the burn because even the nerve cells get damaged in these types of burns and no stimulus cannot be sent to the brain.
Third-degree burn also causes nerves cell damage because of which no pain is realized by the person at the site of the burn.
Chapter 32 Solutions
Biology Illinois Edition (Glencoe Science)
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