Question

where does fertilisation occur in human beings? how does the zygote formed eventually develop into ab infant?

NCERT Class VIII
Science - Exemplar Problems

Chapter 9. Reproduction in Animals

Answer 1

Answer:

Fertilisation occur in the Fallopian tube in human beings.

First, the zygote becomes a solid ball of cells. Then it becomes a hollow ball of cells called a blastocyst. Inside the uterus, the blastocyst implants in the wall of the uterus, where it develops into an embryo attached to a placenta and surrounded by fluid-filled membranes.

Explanation:

Answer 2

Answer:

here is the answer

Explanation:

In human beings fertilisation occur in oviduct .

The zygote divide into two cells these two cells then divide again and again over a next couple of days and the resulting cluster of cells makes its way to the uterus this cluster of cells is called the embryo. The embryo plants itself in the lining of the uterus and continues dividing its cells to make billion of new cells. It gradually develops the different body parts such as the head , eyes ,hands , legs etc. When the embryo reaches the stage where all its body parts can be identified it is called the foetus. The foetus when born is called an infant.

I hope it will help you .