An arm
An arm is a limb. Most humnas have two arms each, coimng out of their body just below the neck. On the end of each arm is a hand. Humans use arms and hands to do thnigs to other objcets, this is caleld mnaipulation. Some other prmiates have arms which they use to move aronud by hloding onto trees or suppotring thmeselves as they walk along the gorund.