Stages of human development
Prenatal
Germinal or zygote
Ovule fertilized by the sperm
Ends in the second week of pregnancy.
Embryonic
Third month of pregnancy
During this phase the layers the embryo begins to multiply and specialize
Fetal
The fetus will already have a human form,
Continue to develop until nine months of pregnancy
Infancy
Second stage of the life of every human being
It goes from the moment of birth to around six years of age
begins the recognition of their sensory and motor abilities
It presents reflex and automatic movements, such as the suction of the maternal breast, also communicates with the outside by means of indiscriminate emotional responses
Childhood
Located between 6 and 12 years old
Third stage of human development coincides with schooling
In school the child learns through various playful and pedagogical mechanisms to take advantage of their mental, physical and social faculties.
At this stage, the sense of duty, self-love, respect for others and for others, as well as the ability to distinguish between the real and the imaginary are also fixed.
Adolescence
This fourth stage of human life begins at the end of childhood
It begins at 12 years old and ends with the entry into youth, around 20 years old.
During this stage, more significant changes are presented at a physical and emotional level.
Pubertad
Appearance of body hair
The change of the body between girls and boys is different.
Thickening of the voice in males.
Appearance of secondary sexual characteristics such as the growth of the breasts, or the lengthening of the penis.
Accelerated growth of height and weight.
Beginning of the feminine menstruation.
Youth
Youth is called the first stage of adulthood or early adulthood
The individual is ready to start a life responsible for himself.
It is considered that youth normally ranges between 20 and 25 years of age, although these parameters are not fixed.
During youth the individual is more aware of who he is and more determined to what he wants in life.
Adulthood
Begins after 25 years of age, with the end of youth and continues until the entry into old age or old age, around 60 years.
It is considered that an adult individual is in the fullness of his psychic, physical and biological faculties.
An adult is expected to have emotional control and a vital disposition that he did not have in previous stages.
Old age
The last stage of human life.
He starts around 60 years of age and continues until his death.
It is a stage of decline in the physical and reproductive faculties, although it is estimated that the amount of physical and intellectual development.
Diseases, physical ailments and disinterest in general life