Question

This is a diagrammatic representation of the ventral sectional view of the female reproductive system:

(i) Redraw and label the following parts:

(1) Right ovary (2) Uterus (3) Placenta (4) Embryo (5) Amnion (6) Oviduct funnel

(ii) State the function of the following:

(1) Placenta; (2) Amniotic fluid.

(iii) Using the symbol ‘X’ indicate the region in the diagram where fertilisation occurs.

Answer 1

(i) 

(ii) Functions:

• Placenta: Enables the exchange of oxygen, nutrients and wastes between maternal and foetal blood without the two blood supplies mixing.
• Amniotic fluid: Cushions the embryo and protects it from shocks and mechanical injury.

(iii) Marked X on the fallopian tube, near the ampullary–isthmic junction.