Question

Collar bone is
A. Scapula
B. Stapes
C. Coracoid
D. Clavicle

Answer 1

Hint: The collar bone is a Long bone that serves as a struct between shoulder blade and the sternum. There are two clavicles, one on the left and one on the right. The clavicle is the only long bone in the body that lies horizontally.

Complete answer:
The collarbone or clavicle is a boon that connects the shoulder blade to the chest bone.
The clavicle bone resembles a crankshaft extending medically to the manubrium and laterally to the acromion. The bone is a shaped medial portion concave and lateral portion convex.
 The “S” shaped serve to give the bone elasticity and ability to shock absorbed The site where the escape changes from the concave to convex is the side that breaks his portion of the bone and the location of most likely fracture.
Functional anatomy of clavicle bone:
>The clavicle to the mental letter projection of the shoulder.
>The clavicle also provides a base for insertion of the trunk and arm musculature.
>The clavicle is the only bony attachment between the upper Limb and the axial skeleton.
>The clavicle also provides protection for the major nouns and with your blood vessels passing beneath it.
>Internal jugular vein; subclavian a; subclavian v; brachial plexus.
>The clavicle serves as the attachment for the trapezius m., deltoid m and subclavius m.

Therefore, from the above explanation, the correct option is (D) Clavicle.

Note:The clavicle is the only long bone in the body that lies horizontally. Together with the shoulder blade it makes up the shoulder girdle.