(a) Write the function of following parts in human female reproductive system :(i) Ovary(ii) Oviduct(iii) Uterus(b) Describe in brief the structure and function of placenta.
Answers
Answer:
(a)
ovary: The ovaries produce the egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened in response to the normal hormones of the reproductive cycle.
oviduct:(ii) Oviduct also known as fallopian tubes. Functions: 1) To transfer the female gametes (egg) from ovary to uterus. 2) The fertilization of egg (or ovum) by a sperm takes place in the oviduct
Uterus : The uterus is a pear-shaped muscular organ. Its major function is to accept a fertilized ovum which becomes implanted into the endometrium, and derives nourishment from blood vessels which develop exclusively for this purpose. The fertilized ovum becomes an embryo, develops into a fetus and gestates until childbirth.
(b)
The placenta is the composite structure of embryonic and maternal tissues that supply nutrients to the developing embryo. The placenta serves three main functions: Attach the fetus to the uterine wall. ... Allow the fetus to transfer waste products to the mother's blood.
Explanation:
above pic is of the placenta and fetus...................
