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Karnataka Board PUCPUC Science 2nd PUC Class 12

Name the function of the following: Endometrium

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Question

Name the function of the following:

Endometrium

Short Answer
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Solution

It is the uterine mucous membrane, which thickens and becomes more glandular as the menstrual cycle progresses and has an enhanced blood supply. If embryo implantation does not occur, the endometrium undergoes a decline and loses most of its tissue during menstruation. If a pregnancy is confirmed, the endometrium develops into the decidua, which is shed after birth.

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Chapter 2: Human Reproduction - EXERCISES [Page 40]

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NCERT Biology [English] Class 12
Chapter 2 Human Reproduction
EXERCISES | Q 15. (b) | Page 40
Nootan Biology [English] Class 12 ISC
Chapter 2 Human Reproduction
NCERT EXERCISES | Q 15. (b) | Page 116

RELATED QUESTIONS

Fill in the blank:

The time between fertilisation and birth is called _________.


Choose the odd one in each of the following: 

Ovary; fallopian tube; ureter; uterus 


Choose the odd one in each of the following: 

Sperm; implantation; fertilization; ovum; ovum; after birth. 


Rewrite the terms in the correct order so as to be in a logical sequence. 

Graafian follicle, ostium, uterus, fallopian tube.

 


Given below is a diagram of the female reproductive system of a human being

(i) Name the parts numbered 1 to 6.
(ii) Normally after how many days does an ovary release an egg?
(iii) Where are the sperms released during coitus?
(iv) What do the sperms do after being released?
(v) What is the function of the organ numbered 5?
(vi) How many days does it normally take from the fertilization of the egg up to the birth of the baby?


Name the Following

A cellular sac containing maturing egg.


Write the functional activity of the following structure:

Ovary


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After fertilization the ovary develops into ______.


Identify the layer that makes up the corona radiate.


How many lobes are generally present in each mammary gland?


Which of the following is a permanent method of contraception in a human female?


A sac shaped like an upside down pear with a thick lining and muscles in the pelvic area where a fertilized egg or zygote comes to grow into a baby is called ______.


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Which of the following is correct about mammalian testes?


The opening of the vagina is often covered partially by a membrane called ______.


Endometrium undergoes cyclical changes and help in uterine movements.


In the given Figure label the parts and mention their functions

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Capacitation occurs in:


Given below are the structural details of a human mammary gland:

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  3. The alveoli join to form the mammary ducts.
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Choose the option that gives the correct detail of the human mammary gland.


The______ is also called the womb.


Describe the female reproductive systems in humans.


The diagram given below shows a section of the human ovary.

  1. Name the process for the release of the part labelled 1.
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The ______ is also called the womb. 


Write the specific location of the following:

Uterus


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How many mammary lobes does each breast have?


Which sequence correctly traces the milk pathway from alveoli to nipple?


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