As an Infant, Sarah Began to Hold Her Head Up

Multiple Choice

As an infant, Sarah began to hold her head up before she was able to balance her torso. Developing the ability to hold her head up before developing the ability to balance her torso is a demonstration of what principle of growth?

A) Proximodistal development
B) Spinal cord development
C) Cephalocaudal development
D) Cell specialization
E) Embryonic disk growth