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प्रश्न
Mention any two functions of the human foetal placenta.
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उत्तर
- To give the developing fetus oxygen and
- nourishment. To eliminate waste products that the fetus creates.
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संबंधित प्रश्न
Name the following:
The membrane which protects the foetus and encloses a fluid
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
Match the items in column I with those in column II and write down the matching pairs (some may not match)
| Column I | Column II | ||
| a | Acrosome | 1 | An embryo which looks like human baby |
| b | Gestation | 2 | Luteinizing hormone |
| c | Menopause | 3 | ovum producing cells |
| d | Foetus | 4 | complete stoppage of menstrual cycle |
| e | Oogenesis | 5 | spermatozoa |
| f | Ovulation | 6 | Complete stoppage of menstrual cycle. |
| 7 | Time taken by a fertilized egg till the delivery of baby |
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Implantation.
- The development stage that undergoes this process.
- The approximate time after fertilisation, when it occurs.
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The protective sac which develops around the developing embryo is called the Pericardium.
Give Reasons
The full-grown human embryo respires but does not breathe.
How are carbon dioxide and urea, excreted by the foetus, removed?
Amniotic fluid serves to provide oxygen to the foetus.
Mother's blood flows into the foetus through placenta.
Which of the following cannot pass readily through the placenta to the foetus?
