Ex.9 Answer the questions.

1. Burns are injuries to the skin caused by heat, chemicals, electricity, or radiation. 2. There are three degrees of burns: first, second, and third. 3. Third-degree burns are the most dangerous as they damage all layers of the skin and underlying tissues. 4. The difference is the severity; first-degree burns affect only the outer layer of skin, while second-degree burns affect deeper layers and may form blisters. 5. For a first-degree burn, cool the burn with running water, cover with a sterile bandage, and avoid applying ointments or ice.