NEET BIOLOGY

Detailed explanation-1: -First-degree burns damage the outer layer (epidermis) of the skin. These burns usually heal on their own within a week. A common example is a sunburn. Second-degree burns damage not only the outer layer but also the layer beneath it (dermis).

Detailed explanation-2: -There is damage to the top layer or epidermis and some damage to the second layer of skin or dermis. There are blisters, which may be broken or intact, and swelling.

Detailed explanation-3: -Partial-thickness burns involve the epidermis and portions of the dermis. Full-thickness burns extend through and destroy all layers of the dermis. Deeper (fourth-degree) burns extend through the skin into underlying soft tissues such as fascia, muscle, and/or bone.

Detailed explanation-4: -Third-degree burns damage or destroy the deepest layer of skin and tissues underneath.