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Goat720 Goat720
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2 years ago
Our cells respire and metabolize with the help of blood yes? How does a zygote respire and metabolize before implantation?
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#1
Educator
2 years ago
In order for a zygote to grow within a human, it needs to be implanted somewhere along the uterus wall. The implantation allows it to extract nutrients and oxygen from the host.

Does that help?
Goat720 Author
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#2
2 years ago
But isn't it dividing as it's making its way down the fallopian tube? I figured it would need oxygen and nutrients to do this.
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#3
Educator
2 years ago
Quote from: Goat720 (2 years ago)
But isn't it dividing as it's making its way down the fallopian tube?

The fallopian tube isn't a closed system though Undecided
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