B5- Human Growth

• A zygote is a fertilised egg cell
• The zygote contains all the instructions to make the cells in your body
• It also has the means of making sure everything happens at the right time and at the right place
• The zygote develops into about 100 cells in the fist week of growing.
• All the cells contain a copy of the DNA from the zygote

• Embryo is what you call the baby from the zygote till it is two moths into the growth
• When the embryo is growing some of the cells specialise and form tissue

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• When the vital organs have formed, after two months the baby is called a fetus.
• A fetus will eventually resemble a baby
• a baby will be called a fetus till birth