The thoracic and sacral curvatures of the vertebral column are____________ while the cervical and lumbar curvatures are ____________.
A)concave; convex
B)convex; concave
C)secondary; primary
D)S-shaped; C-shaped

Question

Quizplus · Accepted Answer

The thoracic and sacral curvatures are convex, while the cervical and lumbar curvatures are concave. This arrangement helps to balance the weight of the body over the feet, which contributes to our ability to stand and walk upright.

The Thoracic and Sacral Curvatures of the Vertebral Column Are____________