Skeleton - Movement and Locomotion — BIOLOGY STD 9 — Question
ICSE BoardEnglish MediumSTD 9BIOLOGYSkeleton - Movement and Locomotion2 Marks
Question
Write in brief about the ribs.
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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.
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