Question

(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.(All India - 2018)

Answer 1

The function of following parts in human female are:-

1. Ovary: It is a reproductive organ in females. It produces oocytes(eggs) for fertilisation and hormones like oestrogen and progesterone.

2. Oviduct: Also known as fallopian tube. It transport make sperm to egg and provides suitable condition for fertilisation.

3. Uterus: it basically nurtures the ovum that develop into fetus and holding it till it become mature enough to birth. The fertilised egg implanted here(endometrium)and derives nourishment from blood vessels

Placenta is a composite structure of embryonic and maternal tissues that supplies nutritions to developing embryo.

Answer 2

To Write: (1) Functions of Human Female Reproductive system

• a) Ovary
• b) Oviduct
• c) Uterus

✸(2) Describe in brief the structure and function of placenta.

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$\huge\underline\red{\sf Ovary :-}$

★The ovary is an organ found in the female reproductive system that produces an ovum. These are also called female gonads — the primary female reproductive organs. ★

★Functions★

• Ovaries produce female reproductive hormones called estrogen and progesterone, and some lesser hormones called relaxin and inhibin.

• They give shelter and protect the eggs a female is born with until they are ready for use.

• Ovaries release one egg, or sometimes more, each menstrual cycle. This process is called ovulation.

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$\huge\underline\red{\sf Oviduct :-}$

★ The tube through which an ovum or egg passes from an ovary. ★

→Note: Oviduct is also known as Fallopian Tube ←

★Functions★

• Oviduct transport the egg matured in the Ovary into the Uterus where it can be fertilized by the Sperm.

• Oviduct provide a suitable environment for fertilization.

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$\huge\underline\red{\sf Uterus :-}$

★Uterus is an inverted pear-shaped muscular organ of the female reproductive system, located between the bladder and the rectum.★

→Note: Uterus is also known as Womb←

★Functions★

• Uterus functions is to nurturing the fertilized ovum that develops into the fetus and holding it till the baby is mature enough for birth.

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$\huge\underline\red{\sf Placenta :-}$

★The placenta is the composite structure of embryonic and maternal tissues that supply nutrients to the developing embryo. ★

★Functions★

• Placenta attach the fetus to the uterine wall

• It allows the fetus to transfer waste products to the mother's blood.

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