Baby Kevin can accurately reach for a toy bat and grasp it in his hands, although he cannot yet stand on his feet. Only when he is older will he be able to control his legs well enough to stand. This pattern of development illustrates the principle.
A. proximodistal
B. cephalocaudal
C. centrifugal
D. longitudinal

Cephalo-caudal

Explanation:

Cephalo-caudal is a physical development in children. This is the development that occurs from head to toe. This development started from its top point of the body to the down point of the body. It means that the brain and the head development occur first and then the rest of the body develops this development largely completed until adulthood in human beings. Other development also occurs during the life span.

Bay Kevin was developed on the principle of cephalo-caudal.

the use of electrical signals that transit messages is know as

answer; how people relate to each other and influence each other;