MICROANATOMY

Detailed explanation-1: -First-degree burns are superficial burns involving the epidermal layer of skin. The skin is the largest organ of the human body, with its weight comprising up 16% of total body weight. The layers of skin consist of the epidermis, dermis, and hypodermis.

Detailed explanation-2: -Second-degree burns involve the epidermis and part of the lower layer of skin, the dermis. The burn site looks red, blistered, and may be swollen and painful. Third-degree (full thickness) burns. Third-degree burns destroy the epidermis and dermis.

Detailed explanation-3: -First-degree burns affect only the outer layer of the skin. They cause pain, redness, and swelling. Second-degree burns affect both the outer and underlying layer of skin. They cause pain, redness, swelling, and blistering.