Answer:
the body of arboreal animals is flexible that enables them to pass through narrow branches.
Answer:
Each vertebra contains three points of articulation with ribs. The superior demifacet of a thoracic vertebra articulates with the corresponding rib (costovertebral joint). This rib articulates again with the costal facet on the transverse process (costotransverse joint). The inferior demifacet articulates with the rib below.
Explanation:
C. Silver.................
