Question

practice it
lo 3.4. what are four natural curves in the spinal column called?
the lumbar, thoracic, sacral, and pelvic curvature
the cervical, thoracic, lumbar, and sacral curvature.
the convex, concave, horizontal, and vertical curvature
the left, right, anterior, and posterior curvature
the anterior, posterior, medial, and lateral curvature

Explanation:

The four natural curves of the spinal column are well - known in human anatomy. They are the cervical (neck region), thoracic (chest region), lumbar (lower back region), and sacral (pelvic region) curvatures. These curves contribute to the spine's flexibility and weight - bearing capacity.

Answer:

The cervical, thoracic, lumbar, and sacral curvature.