What is the bone of the upper arm?

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Multiple Choice

What is the bone of the upper arm?

Explanation:
The bone of the upper arm is the humerus. It runs from the shoulder to the elbow, forming the main long bone of that segment. The proximal end has a head that fits into the shoulder socket, and the distal end interacts with the forearm bones at the elbow. Radius and ulna are the two bones of the forearm, not the upper arm, while carpals are the wrist bones. The humerus acts as a lever for arm movements and provides attachment sites for many muscles, making it the correct name for the bone in the upper arm.

The bone of the upper arm is the humerus. It runs from the shoulder to the elbow, forming the main long bone of that segment. The proximal end has a head that fits into the shoulder socket, and the distal end interacts with the forearm bones at the elbow. Radius and ulna are the two bones of the forearm, not the upper arm, while carpals are the wrist bones. The humerus acts as a lever for arm movements and provides attachment sites for many muscles, making it the correct name for the bone in the upper arm.

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