Answer: The correct answer to the question is option B
MATURATION
Explanation: To answer the question well and understand it,let's look at the meaning of the options given.
PHYSICAL GROWTH; Physical growth is simply the increase in height,length and weight of a child or individual.it also involves the increase in body cells,tissues and organ because as there is increase in height, weight and length,the interior of the body(constituents) also grow along.
MATURATION; Maturation occurs along with ageing and physical growth,it is controlled by internal biological factors, it makes us to do something which makes way for learning to occur,the basic ability to do these things are all made possible through maturation. In maturation, one learns to cope and react in a way that is naturally appropriate.
Maturation occurs naturally without any conscious effort,it involves becoming mature or developed, both mentally and physically inorder to progress to higher level of function.(this corresponds to the question)
DEVELOPMENT; This is progressive change in size function of an individual or organism.
In development,the genotype of an individual or organism progresses to phenotype.
AGING; Aging is simply the process of becoming old and advanced in age and decline in body structures and functions.