Human Development

Human Development

By : ninik srinurwati

• Objectives :• 1.Explain the characteristc of human

development• 2. Compare the the characteristic of puberty

and the adult periods• 3.Explain the way to maintain cleanliness in

our daily life• 4.Explain how to preserve healt and

cleanliness during menstruation

Human step development

Growth & development

PHASES OF HUMAN DEVELOPMENT

• Baby-todler / childhood-teenager-adult-eldery people

PHASES OF HUMAN DEVELOPMENT 1. infant ( fetus )

• 1. Fertilization: Forming zygote ( 1 cell sperm & 1 cell ovum)

• After 7 days, the embryo is formed and have implanted in uterus wall

• 5 weeks, lenght of the baby 10 mm, organ formed head, back,heart,mouth,eyes and bud of legs and arms

• 8 weeks, lenght of the baby 25 mm,• 12 weeks, lenght of the baby 13 cm, complete organs (6 months ) and 9

months,the baby is born.

EMBRYONIC

FETUS

fetus•12 weeks, lenght of the baby 13 cm.

First three semester

second three semester

Third three semester

Baby….1 year

Neo natal [1 --- 30 days / ( 1 month )]

Toddler---childhood

puberty

MENSTRUAL CYCLE

PUBERTYMenstrual cycle

• PUBERTY[ 9 years -----16 years ] / teenager Growth hairs in pubic or certain place. { armpit, mustache, beard}GIRL 1.First/primary characteristic :[luteinizing hormone]

get menstrual period/ovaries produce ovum2.Second characteristic [estrogen hormone]

a. mammal/mamae gland growth / payu dara membesarb. skin became smooth/ kulit halusc. a lot of adipose tissue in subcutaneous [under skin]/ lemak bawah kulitd. panggul/ hip enlargee. Over production of oil cause acnef. High pitched

BOYS1.First/primary characteristic [luteinizing hormone]

wet dream / testes produce sperm2.Second characteristic [testosterone hormone]

a. chest became widthb. strong musclec. Adam's apple growth / jakund. voice became bass( increasing vocal chaord length so the voice become heavier & deeper ) …….….{berat}

ADULT [ 17----60 ]1. Can Control emotion2. Think about future3. Think about partner ( couple )

Manula / elderly/agingyears > 60 years

1. Skin become wrinkles2. Hairs become white/decreasing

pigment3. Decreasing organ function :

(pendengaran berkurang)4. Decreasing mobility5. Decreasing memories / pikun

Development characteristics

Human growth factorsinternal factors : gen & hormone

External factors

• ENVIRONMENT :Nutrients .

Sigmoid graph Of growing

A

E

C

B

D

A----B = exponentB----C= exponentC----D= linierD----E= senescence