explain the process fertilization,development and birth in human being
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Embryonic development
In biological terms, human development entails growth from a one-celled zygote to an adult human being. Fertilisationoccurs when the sperm cell successfully enters and fuses with an egg cell (ovum). ... During this stage, the zygote begins to divide, in a processcalled cleavage.
In biological terms, human development entails growth from a one-celled zygote to an adult human being. Fertilisationoccurs when the sperm cell successfully enters and fuses with an egg cell (ovum). ... During this stage, the zygote begins to divide, in a processcalled cleavage.
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