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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.
संबंधित प्रश्न
Give an appropriate biological or technical term for the following:
The fluid which surrounds the foetus.
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.
Differentiate between:
Amnion and allantois
Describe the functions of Amnion
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
Describe briefly the ways how a mammalian embryo is nourished
Differentiate
Uterus and Urethra.
Give Technical Term:
The period of intrauterine development of the embryo.
During pregnancy, which hormones are secreted by the placenta?
