Question

Write the function of following parts in human female reproductive system ovary
uterus
Oviduct
describe in brief the structure and function of placenta

Answer 1

a) (i) Ovaries are primary reproductive organs in a woman. Functions:

1) To make mature female sex cells called 'ova' or eggs 2) To produce the female sex hormones called estrogen and progesterone. (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.

(iii) Uterus - two oviducts are connected to bag like organ called uterus (womb) Functions:

1) The growth and development of a fertilized ovum into a baby takes place in the uterus.

(b) Placenta is a disc like special tissue that develops between the uterus wall and the embryo. It is through the placenta that all the requirements of the developing foetus like nutrition, respiration, excretion etc., are met from mother's body. It can be said that the exchange of nutrients, oxygen, waste products between the embryo and the mother takes place through the placenta.

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Answer 2

$\bold{ovary}$

❇it produces egg for fertilization

❇secretes oestrogen and progesterone

$\bold{uterus}$

❇it helps to Nourish the fertilized ovum that well developed into foetus does it holds the baby till it is ready for birth

$\bold{oviduct}$

it is the site of fertilization and carries egg aur fertilized ovum that is zygote to the uterus

presentation disc shaped structure on uterine wall before implantation of embryo it provides Oxygen and nutrients to the foetus it helps remove waste also