physical development

physical development

growth and other physical changes that happen to our body throughout life

gross motor skills

(0-8 years old)

• allows children to control the large muscles in their torso, arms ,legs ,hands and feet

fine motor skills

(0-8 years old)

important for controlling and coordinating the movement of the small muscles in the fingers and hands

puberty in girls

11 - 13

puberty in boys

13-15

hormones produced in boys

testosterone

• stimulates growth of penis and testes

• pubic hair growth

• development of muscles

• lowering of the voice

hormones produced in girls

oestrogen and progesterone

• growth of breasts

• menstrual cycle

primary sexual characteristics in girls

• menstruation begins

• uterus and vagina grows

• ovulation occurs

secondary sexual characteristics in girls

• growth of armpit and pubic hair

• increased layers of fat under the skin

• breasts enlarge

• growth spurt

• hips widen

primary sexual characteristics in boys

• penis enlarges

• prostate gland produces secretions

• tested enlarge and produce sperm

secondary sexual characteristics in boys

• growth of facial hair

• growth of armpit, chest and pubic hair

• increased muscle

• growth spurt

• voice box grows causing voice to deepen

physical development in early adulthood (19-45)

individuals reach physical maturity in early adulthood

physical maturity

• motor coordination at its peak

• full height is reached

• sexual characteristics ares fully developed

• hand-eye coordination at its peak

• women at their most fertile and can become pregnant and lactate

• reaction time is quickest

fertility and perimenopause (40-45)

• oestrogen decreases

• ovulation is irregular

• menstruation becomes less frequent

symptoms of perimenopause

• hot flushes

• night sweats

• loss of libido

• vaginal dryness

physical development in middle adulthood (46-65)

ageing

• greying hair

• loss of muscle tone, strength and stamina

• body shape may change with an increase in or loss of weight

• men begin to lose hair

• women are no longer fertile

• loss of height

physical development in later adulthood (65+)

• less elasticity in the skin

• decline in strength

• loss muscle

• loss of stamina

• reduction in vision

• reduction in hearing

• thinning of hair on the head and pubic areas

• higher chance of disease

• decline in the performance of organs