The limbs of the human body are the arms and legs.
Basically your arms that extend from your shoulders and your legs that extend from your hips are your limbs.
Just like the branches and limbs of a tree the limbs that extend from a tree are similar to the limbs that extend from the human body.
The limbs describes the anatomy of the upper limb—divided into the arm between shoulder and elbow; the forearm between elbow and wrist; and the hand below the wrist—and the lower limb, which is divided into the thigh between hip and knee; the leg between knee and ankle; and the foot below the ankle.
The upper limbs or upper extremities are the forelimbs of an upright-postured tetrapod vertebrate, extending from the scapulae and clavicles down to and including the digits, including all the musculatures and ligaments involved with the shoulder, elbow, wrist and knuckle joints.
An extremity is a limb or appendage of the body, particularly the hands and feet. If the weather is cold, you have to be sure to protect your extremities from frostbite by wearing gloves, warm socks, and boots.
The noun extremity also means the outermost point or part — the one that's farthest away.
Head and neck are part of the axial skeleton.
The appendicular skeleton has two distinct parts upper extremity and lower extremity (Arm and leg in common terms).
If you can survive its amputation, it's an extremity.
The upper extremity or arm is a functional unit of the upper body. It consists of three sections, the upper arm, forearm, and hand.
It extends from the shoulder joint to the fingers and contains 30 bones.
It also consists of many nerves, blood vessels (arteries and veins), and muscles.