Answer:
True
Step-by-step explanation:
As children grow many different types of changes occur in their bodies. These changes are seen when a child reaches puberty. The balance of different hormone especially sex hormone change in the body of a child.
These hormonal changes bring some physical change in boys and girls like in boy's height increases abruptly during puberty, their voice becomes heavy, they become more muscular and aggressive due to the increase in testosterone hormone.
In girl's changes like the development of breast and ovaries occurs, the body grows in size, change in voice occurs,etc. Therefore it is true that during development children go through many changes.