The ability of an individual to achieve his or her potential and to respond positively to the challenges of this or her environment is one way to define:

A) the human life span
B) health
C) life expectancy
D) aging
E) medicine

Human Life Span

The maximum duration of life that human beings are known to live under optimal conditions.

Life Expectancy

The average number of years an individual is expected to live based on demographic factors, such as age, gender, and health conditions.

Aging

refers to the process of becoming older or more mature, involving biological, psychological, and social changes over time.