2/🧵It is very important for everyone to have basic knowledge about first aid because you never can tell when someone will need your help in case of emergency. It is very important that every home should have a first aid box in case of emergency. With those tools inside the box, you can do something before a doctor arrives. First aid has really saved a lot of lives.CPR increases the chance of surviving. CPR is very important because it helps circulate blood and oxygen before the doctor arrives.