Question

States what ribs are​

Answer 1

Answer:

The ribs are the bony framework of the thoracic cavity.

• The ribs form the main structure of the thoracic cage protecting the thoracic organs, however their main function is to aid respiration.
• There are twelve pairs of ribs.
• Each rib articulates posteriorly with two thoracic vertebrae by the costovertebral joint.

Explanation:

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Answer 2

Answer:

●First rib (wide and short, has two costal grooves, and one articular facet)

●Second rib (thin, long, and has a tuberosity on its superior surface for the attachment of the serratus anterior muscle)

●Tenth rib (only one articular facet)

●Eleventh rib, Twelfth rib (one articular facet with no neck)

Explanation:

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