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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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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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Aging becomes more noticeable and progresses rapidly
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Period: to
Zygote
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Period: to
Embryo
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Period: to
Fetus
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Period: to
Infancy
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A baby can hold its head up and reach fo objects
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Infant begins to crawl.
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Fingerprints form
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Period: to
Childhood
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Period: to
Puberty
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Ovulation in females and sperm 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