In human, beings, after .............. month of pregnancy, the embryo's heart is formed.
Two
Three
One
Four
The distal narrow end of the uterus is called......
Match column $I$ with column $II$ and select the correct option using the codes given below.
Column $-I$ | Column $-II$ |
$(A)$ Mons pubis | $(i)$ Embryo formation |
$(B)$ Antrum | $(ii)$ Sperm |
$(C)$ Trophectoderm | $(iii)$ Female externalgenitalia |
$(D)$ Nebenkern | $(iv)$ Graafian follicle |
The shortest gestation period is seen in
The amnion and chorion consist of which type of composition
The corpus luteum secretes ........