What is puberty?

(1 point)
Responses

a period in early childhood when growth is very fast
a period in early childhood when growth is very fast

a period in adolescence when a person becomes sexually mature
a period in adolescence when a person becomes sexually mature

a period in adolescence when the nervous system stops growing
a period in adolescence when the nervous system stops growing

a period in childhood when the immune system develops
a period in childhood when the immune system develops

a period in adolescence when a person becomes sexually mature