Skeletal System - Thoracic Cage

5 important questions on Skeletal System - Thoracic Cage

What bones make up the thoracic cage?

Sternum, ribs, thoracic vertebrae, and costal cartilages.

What are the parts of the sternum?

Manubrium, body, xiphoid process.

What landmark is found at the manubrium’s superior border?

Jugular notch.
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How many pairs of ribs are there?

12

Which ribs are considered “true,” “false,” and “floating”?

True (1–7, direct sternum attachment), False (8–10, indirect attachment), Floating (11–12, no anterior attachment).

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