adolensces

• adolences is defined as The period following the onset of puberty duringwhich a young person develops from a child into anadult
• or The period in human growth and development thatoccurs after childhood and before adulthood, fromages 10 to 19
• or Adolescence begins in biology and ends in culture”(Santrock, 2012).
• puberty begins any time between 9 and 14 years old it can occur in girls from age 11 and in boys 12/13 years
• All of the physical changes at puberty are linked to biological changes in the bod
• Activational role of sex hormones:

  • androgen, testosterone, progesterone, oestrogen
• Primary sexual characteristics necessary for reproduction

  • Sexual/reproductive organs
• Secondary sexual characteristicslife.

  • Characteristics of the body that are caused by hormones, develop during puberty, and last through adult
  • Changes in genitals/breasts/voice/pubic, body, facial hai
• puberty ends in girls at the age of 15
• during puberty height increase significantly more by 9/10 cm
• pubertal timing can be influenced by a range of factors such as genetics a lack of nutrition or unbalanced diet and stress in girls can trigger their menstrual cycle