Question

(a) Write the functions of each of the following parts in a human female reproductive system :
(i) Ovary
(ii) Uterus
(ii) Fallopian tube
(b) Write the structure and functions of placenta in a human female.​

Answer 1

Answer:

$\bf{ \red{ \underline{ \huge{ovary}}}}$

• Ovary is a part of female reproductive system.
• It produces ovum.That helps in zygote formation.
• It also provide shelter to ova untill it not used.

$\bf{ \green{ \underline{ \large{uterus}}}}$

• Uterus also called womb.
• It functions to nourish and house a fertilized egg until the fetus, or offspring, is ready to be delivered.

$\bf{ \pink{{ \underline{fallopian \: tube}}}}$

• The extremely fragile ducts.
• fallopian tubes connect the ovary with the uterus, allow for the passage of ovum, and serve as a place for the fertilization of the egg with a sperm.

Answer 2

Hii there !

Question 1.

Write the functions of each of the following parts in a human female reproductive system :

(i) Ovary

(ii) Uterus

(ii) Fallopian tube

Answer 1

functions of each of the following:-

Ovary:-

• it is the main/primary female reproductive part of human.
• female contain two ovaries each located on either sides of the uterus (A bag like structure where baby nourishes).
• It produces female gametes (ova) and hormone (estrogen and progesterone).

Uterus:-

• It is a bag like structure where the zygote is implanted and is nourished.
• It is the site of embryo development.
• it is also known as Womb

Fallopian tube:-

• it is also known as Oviduct.
• it is the site for fertilization i.e the fusion of male and female gamete takes place here.
• It carries egg from ovary to uterus during menstruations.

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Question 2.

• Write the structure and functions of placenta in a human female.

Answer 2:-

Structure of placenta:-

• it is a disc like structure embedded in the utrine walls in human female.
• it is tissue which is rich in blood vessels and villi.

functions of placenta:-

• it acts as a link between the baby and the mother in order to help in exchange of food as well as nutrition.
• it contains villi to give a larger surface area to the baby.

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Additional information:-

Menstrual Cycle:-

• When an ovum is unfertilized, the
• uterus lining sheds along with blood
• move out from vagina. This is called menstruation.
• In a girl, menstruation starts from the age of 10-12 years (when she attains puberty). This beginning is
• known as menarche.
• The ending of menstruation is known as menopause which takes place at the age range of 40-45 years
• The first day of bleeding is marked as the first day of a menstrual cycle and period from one menstrual cycle to another can vary from 28 to 30 days.