lifespan aos Flashcards
(37 cards)
what is the prenatal stage of the human lifespan
starts when sperm penetrates an egg and ends at birth. characterised by rapid growth and development of body’s organs and structures
what is the infancy stage of the human lifespan
starts at birth and ends at 2nd birthday. type of growth is rapid with many changes. milestones include
-motor skills
-using simple words
-identifying familiar people
what is the early childhood stage of the human lifespan?
starts at end of infancy and ends at 6th birthday
slow and steady growth. milestones:
-toilet trained
-eating independently
-making friends
-using social skills
what is the late childhood stage of the human lifespan?
starts at 6th birthday and ends at 12th birthday
slow and steady growth. milestones:
-developing long term memory
-understanding gender stereotypes
-refining reading, writing and motor skills
what is the youth stage of the human lifespan?
starts at 12 years old and ends at 18 years old.
rapid growth. characterised by:
-independence
-sexual maturity
-developing life goals
what is the early adulthood stage of the human lifespan?
starts at 18 years old and ends at 40 years old.
reaching peak (25-30 yrs old), physical maintenance/repair
milestones:
-career building, choosing life partner, marriage and children
what is the middle adulthood stage of the human lifespan?
starts 40 yrs old ends at 65 yrs old.
characteristics:
-work/relationship stability
-physical ageing
-maturation of identity
-values financial security
-children gain independence
-becoming grandparents
what is the late adulthood stage of the human lifespan?
starts at 65yrs old ends at death
characteristics:
-enduring grief
-decline in physical health and wellbeing
-satisfaction/regret about life
what is physical development?
physical development is changes occurring to body and it’s systems. includes external and internal changes.
examples of physical development in youth
- growth spurt
- immune system development
intellectual development
increase in complexities of processes in the brain
examples of intellectual development in youth
- increased vocab
- more focus on the future
emotional development
feelings and ways individuals learn to express, control and understand them
examples of emotional development in youth
- detachment from parents
- gaining sense of identity
social development
increasing complexity of behaviour
examples of social development in youth
- gaining paid employment
- striving for independance
fertalisation
when two half cells from each parent combine to make a complete cell called a zygote
ovum
female productive cell (the egg). contains 23 chromosomes
sperm
male reproductive cell. contains 23 chromosomes
zygote
the fertilisation of a woman’s egg (ovum). contains 46 chromosomes in 23 pairs and holds all of the baby’s genetic characteristics and sex
implantation
when the zygote attaches inside the walls of the uterus
what is the germinal stage of PRENATAL DEVELOPMENT
0-2 weeks.
- 30 hours after fertilisation, cell splits for the first time
- cell division continues for life, after three days zygote consists of 16 cells
- formation of the placenta begins
what is the embryonic stage of PRENATAL DEVELOPMENT
3-8 weeks
- organs, brain and spine, facial features and tiny muscles start to develop
- heart begins to beat and limbs appear
- brain is now active
what is the foetal stage of PRENATAL DEVELOPMENT
9-40 weeks
- teeth, tongue, tastebuds and organs begin to form
- eyebrows and eyelashes grow
- foetus assumes ‘head down’ position in preparation for birth
