Because of Cephalocaudal and Proximodistal Sequences of Ossification

Multiple Choice

Because of cephalocaudal and proximodistal sequences of ossification,

A) the fontanels close by the end of the first two months.
B) pruning of synapses occurs before expansion of the dendritic arbor.
C) bones in the hands and wrist harden before those in the feet.
D) an individual gradually loses bone calcium.
E) bones in the trunk of the body harden last.