Events in your life

By mcwikla2
  • Period: to

    Zygote

  • Period: to

    Embryo

  • Heart beats regularly eyes and ears begin to form.

    4 week old embryo.
  • Heart develops left and right chambers.

    Heart develops left and right chambers.

    8 week old embryo.
  • Period: to

    Fetus

  • Bones are visible and a heartbeat can be heard.

    Bones are visible and a heartbeat can be heard.

    4 to 6 month old fetus.
  • Fingerprints form.

    Fingerprints form.

    6 month old fetus.
  • Eyelids open and can weigh up to 6.6 pounds

    Eyelids open and can weigh up to 6.6 pounds

    6 to 9 month old fetus.
  • Period: to

    Infancy

  • Baby can hold is head up and reach for objects.

    Baby can hold is head up and reach for objects.

    3 months old.

  • Infant begins to crawl.

    7 months old.
  • Period: to

    Childhood

  • Ovulation in females and sperm production in males begin.

    Ages 9 to 15.
  • Period: to

    Puberty

  • Period: to

    Adolescence

  • Period: to

    Adulthood

  • Skin becomes wrinkled

    Age 30 skin will become wrinkled.

  • Aging begins

    30 years old.
  • Aging is more noticable and progresses faster.

    Aging is more noticable and progresses faster.

    Ages 45 to 60.

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