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प्रश्न
Name the following:
The structure which connects the placenta and the foetus.
Give One Word Answer:
The structure which connects the placenta and the foetus.
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उत्तर
Umbilical cord
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संबंधित प्रश्न
Give appropriate terms for the following:
Rupture of follicle and release of ovum from the ovary.
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.
Mention three functions of the placenta.
Complete the following sentences with appropriate word:
The placenta is ________permeable
In human beings, the placenta is formed by ______.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
Name the following:
Two hormones secreted from placenta.
How are carbon dioxide and urea, excreted by the foetus, removed?
Heart and blood vessels have been formed by the end of five weeks of pregnancy.
