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प्रश्न
The diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
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उत्तर
A – Umbilical cord
B-Cervix
C-Blood of mother flows into placenta
D-Blood of fetus flows into placenta E-Amnion
F-Amniotic fluid
G-Opening of the cervix
APPEARS IN
संबंधित प्रश्न
Name the following:
The membrane which protects the foetus and encloses a fluid
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?
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
Differentiate
Fetus and Embryo.
The diagram given below is that of a developing human foetus in the womb. Study the same and then answer the questions that follow:
- Name the parts '1' to '5' indicated by guidelines.
- What term is given to the period of development of the foetus in the womb?
- How many days does the foetus take to be fully developed?
- Mention two functions of the parts labelled ‘2’ other than its endocrine function.
- Name the hormone (anyone) produced by the part labelled ‘2’.
- What is the function of the part marked ‘3’?
During pregnancy, which hormones are secreted by the placenta?
Which of the following cannot pass readily through the placenta to the foetus?
Write the specific location of the following:
Placenta
