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प्रश्न
The diagram given alongside is that of a developing human foetus in the womb. Study the same and answer the questions that follows:
Name the parts ‘1’ to ‘5’ indicated by guidelines
उत्तर
1 - umbilical cord,
2 - placenta,
3 - amnion,
4 - mouth of uterus,
5 - muscular wall of uterus
APPEARS IN
संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The fluid which surrounds the foetus
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 | ………………… |
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
Give Reasons
The full-grown human embryo respires but does not breathe.
The diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
Name the Following
How the embryo inside the uterus is protected from jerks or mechanical shocks.
Name the Following
The expulsion of the fetus from the body of the mother.
Which of the following reproductive structures is responsible for secretion of hCG?
All are functions of placenta, EXCEPT ______.
Mention any two functions of the human foetal placenta.
