From bottom to top, Abram Maslow's needs hierarchy includes physiological, safety, love, esteem, and self-actualization needs.

Abram Maslow

A psychologist best known for creating Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human needs.

Needs Hierarchy

A theory, often associated with Abraham Maslow, which suggests that human needs are arranged in a hierarchy, starting from basic physical requirements up to higher needs like self-actualization.

Physiological

Physiological pertains to the functions and processes that occur within living organisms, providing a basis for understanding physical and biological needs.