Muscular System And Skeletal System Practice Test

Which bone is commonly known as the collarbone?

Humerus Radius Clavicle Scapula

Correct Answer:

Clavicle

Explanation:

The main idea here is recognizing common bone names. The bone commonly known as the collarbone is the clavicle. It runs horizontally across the top of the chest, connecting the sternum to the shoulder blade, and acts as a supportive strut that keeps the shoulder away from the thorax. This prominent front position is why people call it the collarbone. The humerus is the upper arm bone, the radius is one of the forearm bones, and the scapula is the shoulder blade on the back; none of these are the bone typically referred to as the collarbone.

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