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Period: to
Zygote
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Period: to
Embryo
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Heart beats regularly. Eyes and ears begin to form.
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Heart develops right and left chambers
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Period: to
Fetus
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Fingerprints form.
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Bones are visible. Heartbeat can be heard with a stethoscope.
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Eyelids can open and weight can be up to 6.6 pounds.
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Period: to
Infancy
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Infant begins to crawl.
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A baby can hold its head up and reach for objects.
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Period: to
Childhood
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1. My sister, Addison was born.
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2. I started kindergarten.
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3. I started swim team.
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Ovulation in females, and sperm production in males begin.
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Period: to
Puberty
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4. I started fishing at the beach.
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5. I went to the mountains on my first youth retreat.
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Period: to
Adolescence
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Period: to
Adulthood
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Skin starts to become wrinkled.
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Aging begins
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Aging becomes more noticeable and progresses rapidly