human growth is phsical aspects of development and human development includes human growth but is also physchological aspects of development. so human growth and development is both physical and physchological aspects of development. - -
The difference between growth and development is in how they occur. While growth is a physical process of becoming larger or longer development means advancing from one state to another which can be chemically or physically.
In puberty the voice changing is both growth and development. It development in that it is the voice already existed and is changing. But it is growth in that the reason for the voice changing is that the larynx is lengthening and the vocal cords are lengthening too.