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Question
Give Technical Term:
The part in the uterus which is concerned with the supply of nutrition from the mother to the fetus.
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Solution
Placenta
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RELATED QUESTIONS
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 |
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
What changes occur at the time of birth?
Give Technical Term:
Name a membrane that surrounds the fetus and secretes a protective fluid.
During pregnancy, which hormones are secreted by the placenta?
All are functions of placenta, EXCEPT ______.
Match the respiratory surfaces to the organisms in which they are found.
| Organ/ cells | Hormones | ||
| (i) | Corpus luteum | (a) | HCG |
| (ii) | Leydig's cells | (b) | Estrogen |
| (iii) | Placenta | (c) | Progesterone |
| (iv) | Graafian follicle | (d) | Testosterone |
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Mother's blood flows into the foetus through placenta.
