Human Life Cycle

Front 1

cycle

Back 1

A series of events or stages that happen one after another that lead back to a starting point, as in a circle; for example, the cycle of the seasons or the cycle of night and day.

Front 2

human life cycle

Back 2

The stages of growth and development throughout a person’s life, spanning the time from birth to death.

Front 3

cells

Back 3

The tiny, microscopic, building blocks of life, from which all living things are made; humans begin life as one cell and grow as one cell divides into trillions.

Front 4

birth

Back 4

The first stage of the human life cycle, when the newborn infant comes out of its mother’s body.

Front 5

infancy

Back 5

The second stage of the human life cycle, lasting about one year, when a person is almost totally helpless, but through the five senses, learns a lot about their environment.

Front 6

childhood

Back 6

The third stage of the human life cycle, lasting about ten years to age 11 or 12.

Front 7

toddler stage

Back 7

The earliest part of childhood, lasting from ages 1 to 3, during which time the child learns to become more independent, more active and to begin to learn the difference between right and wrong.

Front 8

adolescence

Back 8

The fourth stage of the human life cycle, lasting from about age 12 to 18; a confusing time when a person undergoes many physical, emotional and intellectual changes, and is preparing for adulthood.

Front 9

puberty

Back 9

The earliest part of adolescence, when boys and girls are physically able to reproduce and begin to show the adult characteristics of their gender.

Front 10

adulthood

Back 10

The fifth stage of the human life cycle, lasting from the end of adolescence through old age, when people must assume many responsibilities, become more independent, and may start their own family.

Front 11

old age

Back 11

The last part of adulthood.