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प्रश्न
What is Placenta?
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उत्तर
The placenta is an organ composed of blood capillaries, villi, connecting tissue, and latent endocrinal cells.
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संबंधित प्रश्न
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
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 |
Differentiate
Amnion and Chorion.
Differentiate
Uterus and Urethra.
Complete the following sentences with appropriate word:
The umbilical cord connects _______
Complete the following sentences with appropriate word:
The expulsion of the fetus from the body to the mother in a human female is called __________.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
Placenta produces certain hormones.
Amniotic fluid serves to provide oxygen to the foetus.
