The figure given below shows the sectional view of the human female reproductive system. Identify the option stating correct functions of the labelled parts A and B.
1
A - Implantation and development of embryo, B - Fertilisation of egg
2
Fertilisation of egg, B - Implantation and development of embryo
3
A - Formation of egg, B - Fertilisation of egg
4
A - Fertilisation of egg, B - Formation of egg