Final answer:
Three ways to apply cold to an injury are using an ice pack or cold compress, applying a cold towel or frozen vegetables, and using a chemical cold pack. These methods help reduce swelling and numb pain in the injured area.
Step-by-step explanation:
Three ways to apply cold to an injury are:
- Use an ice pack or a cold compress. This can help reduce swelling and numb pain.
- Apply a cold towel or a bag of frozen vegetables to the injured area. Make sure to wrap it in a cloth to protect the skin from direct contact.
- Use a chemical cold pack, which cools down when a chemical reaction is triggered. These packs are often used in first aid kits.