This document discusses the key stages of human development from infancy through old age. It focuses on the stage of adolescence, describing the physical, mental, emotional, social, and moral-spiritual changes that occur during this period of life. Physically, adolescents experience puberty and development of primary and secondary sex characteristics. Mentally, they develop egoism and critical thinking skills. Emotionally, they experience mood swings and issues with self-image. Socially, they pull away from parents and bond closely with peers. Spiritually, they explore life's big questions and develop their own identities and values.

1. BRENDA E. CACHERO
KAAYPIAN NATIONAL HIGH
SCHOOL

2. HUMAN
DEVELOPMENT
- It is a lifelong process of physical, mental,
emotional, social, moral-spiritual and
environmental growth and change. In the early
stages of life, from babyhood to childhood,
childhood to adolescence, and adolescence to
adulthood-great changes take place.
Throughout the process, each persons
develops attitudes and values that guide

3. INFANCY
-The first stage which starts at
birth to one year of age. An
infant is DEPENDENT and
ESTABLISHING TRUST to the
one who takes care of him but
if there is no fulfillment it will
lead into feeling of mistrust.

4. Early Childhood
-The second stage focusing on
DEVELOPING A GREATER
SENSE OF PERSONAL
CONTROL. He/she performs basic
actions and simple decisions that
make him/her secure and
confident, while those who do not
are left with a sense of inadequacy

5. Preschool Children
-stage of life which needs to
begin ASSERTING CONTROL
AND POWER OVER THE
ENVIRONMENT. In a success
stage, it leads to a sense of
purpose, the failure results in a
sense of guilt.

6. School Age
-stage of life DEVELOPS A SENSE
OF PRIDE IN THEIR
ACCOMPLISHMENTS AND
ABILITIES, COMPETENCE AND
BELIEFS IN THEIR SKILLS. Those
who receive little or no
encouragement from others will
doubt their abilities to be successful

7. Adolescence
-stage of life which CHILDREN
EXPLORE AND DEVELOP A
SENSE OF SELF. Those who
remain unsure of their beliefs
and desires will feel insecure
and confused about themselves
and the future.

8. Young Adult
-stage of life is in the state of
EXPLORING PERSONAL
RELATIONSHIPS,
DEVELOPS CLOSENESS
AND COMMITTED
RELATIONSHIPS with other

9. Young Adult
-Those who are successful at this
step will form relationships that are
committed and secure. This with a
poor sense of self tend to have less
committed relationships and are
more likely to suffer emotional
isolation, loneliness and
depression.

10. Adulthood
-this stage of life FOCUSES ON
CAREER AND FAMILY. They feel
that they are contributing to the
world by being active in their home
and community, failure to attain will
lead to feeling of unproductive and
uninvolved to the community.

11. Old age
-this stage of life
FOCUSED ON
REFLECTING BACK on
life if with few regrets and
a general feeling of
satisfaction

12. In what phase of
development are you
now? If your
characteristics fit to the
Adolescence stage , then
you are already an

13. As you grow up, being
healthy is not only your
concern, It is also changes in
physical, mental, emotional,
social, moral-spiritual and
environmental dimensions,
which may occur in
adolescent development.

14. Changes in
Adolescents
.

15. You may be
experiencing
SIGNIFICANT
CHANGES in yourself
because you are now in
another stage of life-
ADOLESCENCE

16. ADOLESCENC
E -starts with Puberty.
PUBERTY is the time when
you start to become sexually
mature. It usually happens at
the age of 10 or 11 for girls

17. -the changes that happen
during puberty are normal to
adolescents. You have to
know and understand these
changes so that they will not
surprise nor scare you.

18. CHANGES IN
FIVE
DIMENSIONS
OF HEALTH

19. Physical
Changes

20. General physical changes that
happen to adolescent boys and
girls during puberty
• Rapid increase in height and weight
• Changes in circulatory and respiratory
system.
• Changes in body composition
• Sudden increase in hormone
production
• Bones become harder and more brittle.
• Sweat and oil glands become more

21. Primary Sex
Characteristics
-are those
directly related
to the sex

22. Changes in Primary Sex
Characteristics
• Reproductive organ of both boys
and girls grow and develop
• Boys experience the first release of
seminal fluid or ejaculation from the
penis called as wet dreams
• Girls experience menarche or the
first release of blood and fluids from
vagina , later called menstruation.

23. Secondary Sex
Characteristics
-are changes not
directly related to
sexual

24. Changes in Secondary
Sex Characteristics
BOYS
• Voice become deeper
• Adam’s apple becomes bigger
• Shoulders become wider than the
hips
• Hair grows on face, body and
pubic area
• The skin on the upper arms and

25. Changes in Secondary
Sex Characteristics
GIRLS
• The breast develop
• The hips become wider
than the shoulder
• Hair grows on underarm
and pubic area

26. MENTAL OR
INTELLECT
UAL
CHANGES

27. • Adolescents are EGOCENTRIC; they
argue to convince and exhibit
independent, critical thought.
• Adolescents prefer active and
cooperative learning activities over
passive learning experiences.
• Enjoy learning skills to apply to real
life problems and situations.
• Have a tendency to become bored
with routine activities; they need to be
challenged.

28. • Capable of thinking critically helping them
understand issues and concerns about
their development.
• Think less of themselves, allowing them to
think and reason better.
• Have the skills in controlling and
coordinating their thoughts with their
actions.
• Adolescents students can focus their
attention on what they want to listen to.
They can also focus their attention on two
or more things at the same time.

29. EMOTION
AL
CHANGES

30. • Have erratic emotions and behaviors,
mood swings is mostly experienced.
• Have emotions that are frightening
and poorly understood, often triggered
by hormonal imbalance, may cause
regression to more childish behavior
patterns.
• As part of being moody and restless,
they are introspective and often feel
self-conscious, alienated and a lack of
self-esteem.

31. • Easily offended and sensitive
to criticism, vulnerable to oone-
sided arguments.
• Being optimistic and hopeful,
searching for adult identity and
acceptance
• Exaggerate simple
occurrences and believe that
personal issues are unique to

32. • Believe that nobody understands
them, striving for a sense of
individual uniqueness in their
search for identity.
• More emotional and this makes
them open to being hurt or in
danger.
• Boys are also sexually active;
therefore, they are prone to
participate in risky behavior due to

33. • Girls become self-conscious
because of the changes that are
happening to them, giving them a
feeling of insecurity and
discomfort.
• Early maturing boys are usually
taller and stronger, they have a
good body image, so they are
more confident, secure and
independent.

34. SOCIAL
CHANG

35. • An adolescent may act out unusual
or drastic behavior. At times, he/she
may be aggressive, daring,
boisterous and argumentative.
• Being rebellious toward parents,
but still strongly depend on parental
values.
• Negative interactions with peers,
parents, and teachers may
compromise ideals and

36. • Distrust relationships with others
who show lack of sensitivity to
adolescents needs.
• Desire love and acceptance from
significant adults.
• Enjoy with friends, who share the
same interest with them so they
stay longer with them after school.
• Confused and frightened by new
school settings that are large and

37. • Loyal to peer group values and
sometimes cruel and insensitive to
those outside the peer group.
• Idolize peers and media role
personalities as sources for
standards of behavior, dress and
style.

38. MORAL-
SPIRITUAL
CHANGES

39. • Explore and ask broad
unanswerable questions about
the meaning of life
• They are reflective,
introspective, and analytical
about their thoughts and
feelings.
• Depend on influences of home
and religious institutions for
moral and ethical choices and

40. • Try to find out who they really are and
analyze their strengths and weaknesses
resulting to understand themselves better
and learn to accept and like themselves,
including their weaknesses.
• Learn that house rules imposed by their
parents are there to promote order and
harmony at home.
• Begin to distinguish between rules that
are negotiable and those that are non-
negotiable. Non-negotiable rules, like
smoking, are imposed because they are
for their own good.

41. Thank You!