The Growth and Development of The Human Being

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Let us explore how the human being develops from primordial oocyte, and sperm, to the human fetus.

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Oocyte (Human egg cell), unfertilized

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Spermatocyte (sperm cell)

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The Fertilization Process: Spermatocyte implants itself into oocyte

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THE CREATION OF LIFE :

1 Day After Fertilization; 23 chromosomes from the oocyte (mother) and 23 chromosomes form sperm (father) produces a new organism with 46 chromosomes (23 pairs).

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5 Week Old Embryo: Living being is beginning to take human form

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7 Week Old Embryo

4 limb buds are beginning to grow, the eyes are forming, facial features are forming, the heart is pumping, the brain and primordial nervous system is firing and working already, in other words -- the being can FEEL.

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12 Week Embryo : Humanoid Form has been established






ULTRASOUND VIEW:

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16 Week Old Embryo

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20 Weeks Old Si Baby

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28 Weeks Old

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Week 30 Fetus :

Exercising, Kicking, Mumbling na si baby; the fetus is receptive to mother's motions, voice, and feelings during this time.

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PARTURITION

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THE CLICK

A new born baby (neonate) is hyperactive after birth, his or her eyes will focus on the mother, he or she makes a mental image during this time. After the "click", the newborn then sleeps , and feeds regularly.