Question

Where does fertilization take place? What happens to the zygote after fertilization? Write three functions of placenta.
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Answer 1

Answer:

Fertilization takes place in the fallopian tube.

Explanation:

Once fertilization takes place this newly fertilized cell is zygote.From here the zygote will move down the fallopian tube and into the uterus. The zygote then burrows into the uterus lining.This is called implantation.

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Answer 2

Fertilization takes place in the fallopian tube of in the female body .

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Once fertilization happens, the cell starts to divide and multiply within 24 hours in the fallopian tube. This detached multi-celled structure is called a zygote. Later, after 3-4 days it travels to the uterus and now we call it as an embryo.

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• Functions of the placenta include gas exchange, metabolic transfer, hormone secretion, and fetal protection.
• Nutrient and drug transfer across the placenta are by passive diffusion, facilitated diffusion, active transport, and pinocytosis.
• The placenta is a flattened circular organ in the uterus of pregnant mammals that nourishes and maintains the fetus through the umbilical cord.