What is the Purpose of the Secondary Curves

Question

What is the purpose of the secondary curves?
A) accommodate the thoracic organs
B) shift the weight of the body to permit an upright posture
C) accommodate the abdominal organs
D) form a humpback
E) accommodate the pelvic organs

Accepted Answer

The purpose of the secondary curves (lumbar and cervical) is to shift the weight of the body to permit an upright posture. The thoracic and sacral curves accommodate the thoracic and pelvic organs respectively. The formation of a humpback is a pathological condition called kyphosis.