Pls this is for a hard test 30 describe the life cycle of a human. make sure to use atleast 4 stages and write in complete sentences

Different researchers break the life cycle of humans into different number of stages. The life cycle of the humans can be categorized into:

Pregnancy: During pregnancy, an embryo is formed from a zygote. Then, eventually a fetus is formed.

Infancy: Infancy can be described as the earliest period after a child is born.

Childhood: The age where the child starts to learn from his environment.

Puberty: The beginning of adolescence is known as puberty. It is the time when various hormonal changes occur.

Adolescence: The late teen ages.

Adulthood: The age when the person has passed the teen ages.

Old age: People above the age of fifty.

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