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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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Eyelids can open and weight can be up to 6.6 pounds.
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Fingerprints form.
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Bones are visible. Heartbeat can be heard with a stethoscope.
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Period: to
Infancy
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A baby can hold it's head up and reach for objects.
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Infant begis to crawl.
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Infection
When is was about 3 weeks old, i gt an infection in my tooth. the infection started to spread to other parts of my body. so, i had to go to the hospital and get my teeth pulled out. -
Period: to
Childhood
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Period: to
Puberty
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Ovulation in females, andsperm production in males begin.
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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.
