Answer:
Joint
Explanation:
Elbow is formed by the fusion of ulna, radius and humerus. This helps in the movement of hands and forearm, away and towards the body.
The another name of elbow is joint or synovial hinge joint present in the radius, ulna in the forearm and humerus in the upper arm. Elbow joint helps in the shortening and lengthening of upper limb.
Thus, the correct answer is option (A).
