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What are the characteristics of the intercostals muscles?
a. The external intercostals muscles are thinner then the internal intercostals muscles
b. They are innervated by the lateral thoracic nerve
c. There are twelve pairs that extend from the inferior margin of one rib to the superior margin of the one inferior to it
d. There are eleven pairs that extend from the inferior margin of one rib to the superior margin of the one inferior to it
e. The external intercostals muscles fibbers have a postero-anterior direction while the muscular fibbers of the internal intercostals have an antero-posterior direction

iamback032018 Asked question June 1, 2021