Question

bio - 201l topic 3: skeleton
practice it
lo 3.4. what are four natural curves in the spinal column called?
the lumbar, thoracic, sacral, and pelvic curvature
the left, right, anterior, and posterior curvature
the anterior, posterior, medial, and lateral curvature
the convex, concave, horizontal, and vertical curvature
the cervical, thoracic, lumbar, and sacral curvature.

Explanation:

The spinal column has four natural curves which are the cervical (neck - region), thoracic (mid - back), lumbar (lower back), and sacral (pelvic region) curves. These curves help in shock - absorption and maintaining balance.

Answer:

The cervical, thoracic, lumbar, and sacral curvature.