Since 18 and 19 year olds are still teens why are they considered adults? Is a 19-year-old a teenager or an adult? Can a 17, 18 or 19 year old still feel and act like a teenager?.
Eighteen is a milestone birthday to celebrate. It's when you enter official adulthood for the first time, gaining great privileges along with serious.
Biologically, an adult is a human or other organism that has reached sexual maturity. In human The typical age of attaining legal adulthood is 18, although definition may vary by legal rights and country. Human adulthood encompasses.