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Period: to
Zygote
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Period: to
Embryo
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Heart beats regularly, Ears and eyes begin to form
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Heart develops right and left chambers.
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Period: to
Fetus
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Bones are visible. Heartbeat can be heard with a stethoscope.
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Fingerprints form.
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Fingerprints form.
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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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A baby can hold its head up and reach for objects.
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Infant begins to crawl
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first birthday
- My first birthday was a really important time in my life when all of my family came over to celebrate. I don’t remember it my first birthday because I was so young. By looking at the pictures that were taken that day I can tell that everyone had a good time.
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Period: to
Childhood
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Adopting my little brother and sister
The day that we adopted my little brother and sister was one of the greatest days of my life. That moment changed a lot in my life. I had to get used to there being two other people that I had to share with. -
Ovulation in females, and sperm production in males begin.
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Period: to
Puberty
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Period: to
Adolescence
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Period: to
Adulthood
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Aging begins
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Aging begins.
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skin begins to wrinkle
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Aging becomes more noticeable and progresses rapidly.