Adulthood pics

The meaning that adults have in biology refers to an animal that is capable of reproduction. Adults are social concepts as well as a legal concept within the world of humans. In contrast to a non-adult or "minor" an legal adult is a person who has reached the age of majority. They are considered autonomous, self-sufficient and accountable. An adult who is legally mature can be called a major. The general consensus is that the age at which a person becomes a legal adult is 18. However, this can be different based on rights under the law and the country of origin as well as the development of the individual's psychological.

The lifespan of an individual adulthood is the point in which the person attains full intellectual and physical maturation. The majority of people believe that adulthood begins at age 20 or older. It is generally believed that middle age is around 40 years old. It is then it will be around 60. Adulthood can be divided into three phases beginning with young adulthood (18-mid-30s), mid-30s-mid-60s, and the final stage of adulthood, mid-60s to death. In the early years of adulthood the body is at the fullest physical maturation. But, the size and weight may grow. Physical capabilities peak at the age of young adulthood. This is reflected in muscle strength and reflex speed, as well as sensitivities, and functioning of the heart.