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प्रश्न
Complete the following table by writing the name of the structure or the function of the given structure:
| Structure | Function | ||
| 1 | Corpus luteum | 1 | …………… |
| 2 | ……………. | 2 | Produces male gametes in mass |
| 3 | Placental disc | 3 | …………………….. |
| 4 | . ……………. | 4 | Increases the force in uterine contractions during child birth |
| 5 | Umbilical cord | 5 | …………………. |
| 6 | Fallopian tube | 6 | ………………… |
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उत्तर
| Structure | Function | ||
| 1 | Corpus luteum | 1 | secretes progesterone & other hormones to prepare the uterine wall for the receival of the embryo. |
| 2 | Testes | 2 | produces male gametes in mass |
| 3 | Placental disc | 3 | supplies oxygen and nutrients to embryo |
| 4 | Oxytocin | 4 | increases the force in uterine contractions during child birth |
| 5 | Umbilical cord | 5 | connects placenta with foetus |
| 6 | Fallopian tube | 6 | The site of fertilization for the sperm and ovum |
संबंधित प्रश्न
The exact location of the Amnion
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
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.
Describe briefly the ways how a mammalian embryo is protected
All are functions of placenta, EXCEPT ______.
The haemoglobin of a human foetus ______.
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 |
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Distinguish between the following pair:
Placenta and umbilical cord
Which component of the placenta originates from the trophoblast of the blastocyst and is also called the chorion frondosum?
