: If chemically nothing is ever created or destroyed but simply transformed, where does the matter come from when a sperm cell grows to a full body?

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I know obviously how the cell divides and becomes more and more complex over time. I get that the biological code is in the original cell, but where does the matter come from? In my mind, I imagine the first cell as an architect with all the blueprints, but without any material. It doesn’t pop out of nowhere, right?

In: Biology

3 Answers

Anonymous 0 Comments

The sperm goes in the egg, the egg is stuck on the uteran wall inside the vagina, at some point it becomes attached to the host mother and the umbilical cord forms which basically steals nutirents from mom to grow.

Anonymous 0 Comments

That’s why your mommy eats for two.

All the nutrients and food she eats gets converted to raw building blocks, that get fed to the baby.

This is also why mommies need to be extremely careful not to eat or drink certain things while pregnant. It all passes to the child.

Anonymous 0 Comments

During the very early stages of pregnancy the fetus gathers nutrients and “materials” from glands in the uterus. After around the two month mark, a placenta and umbilical cord form which then serve as the source of nutrients, though they are still gathered from the mother. This is also why pregnant women can have extremely specific cravings, their bodies are secreting hormones that make them crave things the fetus needs.