Running, stepping up to stairs, actively playing.Walking ability improving, moving back and forth, spinning and starting to run.Using fingers for chooseing things, starting to crawl and standing up assisted.A baby is able to sit up unaided and the previous abilities improve, able to eat biscuits unaided, hold spoon assisted, hold toys in one hand.In this age, children’re more active ( At the age of 5-6 months old ) There is coordination between hands and eyes. Raising its head, sitting up assisted turning its body,reaching things.Sucking fingers, rocking toys, the eyes following the movement of things and people around, staring at things, and smiling ( At the age of 3 months old )Īt the age of 5-8 months old, a baby is able to sit up unaided.Active hand movement when facing downwards, raising its head, holding reflex, sucking, swallowing and noticing voice ( At the age of 1-2 months old ).At the age 2-6 years old, the physical growth slows, but the physical activity increases.Īt the age of 1-3 months old, a baby is able to face downward.At the age of 1-2 years old, the human brain growth decreases at that period, however, the movement develops. Toddling stage is the peak of human brain growth.The important development happens in the neonatal stage (0-30 days), at the age of 0-2 years old and of 2-6 years old.It protects the fetus from shocks, cold, and heat.In the mother’s womb, the fetus is inside a membrane containing liquid called amnion.A fetus is an embryo which has complete organ system.After 38 weeks, the fetus turns its head to the lower part of the womb, preparing for its birth.After 28 weeks, the fetus develops and it’s weight increasses until the delivery time.After 12 weeks, the embryo is called fetus which is in the size of strawberry, the hands and feet have developed.After 5 weeks, the embryo is as big an apple seed with hand and foot primordia, and the tail reduces.After 4 weeks, the embryo floats in a sack containing liquid the heart beats and the brain has developed.After 72 hours from fertilization, the zygote divides into 16 cells which will stick on the uterus in several days later.About 36 hours after fertilization,the fertilized ovum divides once into 2 cells.
Fertilization : the fusion of sperm nucleus with ovum nucleus producing fertilized ovum (zyogte).In humans, when embyrogenesis finishes, by the end of the 10th week of gestational age, the precursors of all the major organs of the body have been created. After fertilization the embryogenesis starts.Rousseau ada empat tahap perkembangan yaitu: -Masa bayi (0-2 tahun). Prenatal development is the process in which a human embyro or fetus gestates during pregnancy, from fertilization until birth. vegetative soul, the sensitive soul, and the rational soul.Submit Link to Allinks Directory - Friendly quality web links directory. Pada tahap ini semua sistem dan organ tubuh semakin matang dan terus mengalami perkembangan sampai terjadinya kelahiran. Sistem dan organ tubuh semakin matang dan berkembang.
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