will's lifetime

By 9218366
  • Period: to

    Zygote

  • Period: to

    Embryo

  • Heart beats regularly. Eyes and ears begin to form.

  • heart develops righ and left chambers

  • bones are visible. heartbeat can be heard with a stethoscope

  • fingerprints form

  • Eyelids can open and weight can be up to 6.6 pounds.

  • Period: to

    Infancy

  • Fetus

  • A baby can hold its head up and reach for objects.

  • Infant begins to crawl.

    kakisky. "warmfuzzy.jpg." Online Image. morguefile. No date. 2/17/12 http://morguefile.com/archive/display/181930.
  • Period: to

    Childhood

  • Ovulation in females, and sperm production in males begin.

  • Period: to

    puberty

  • Period: to

    adolescence

  • Period: to

    adulthood

  • skin starts to become wrinkled

  • aging begins

  • aging becomes more noticeable and progresses rapidly

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