Question

what is first aid?how does first aid help the victim?

Answer 1

it is a further treatment for wounds
he can help in shaving blood by cotton blood

Answer 2

First aid is the preliminary aid or treatment provided to an injured person.  First aid help the victim in stopping the effect of the injury and often timely administration of first aid saves lives.

Explanation:  

• Not everywhere thorough treatment opportunities are present. Especially in homes or on roads, when an injury occurs, it is important to give first aid, that is, the preliminary treatment, and then depending on the gravity of the injury, the person is taken to the hospital.