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प्रश्न
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.
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उत्तर
- Embryo (Blastocyst).
- In about a week's time.
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संबंधित प्रश्न
What is the significance of amniotic fluid?
What is Placenta?
Give Reasons
The full-grown human embryo respires but does not breathe.
Study the diagram given below and then answer the questions that follow:
(i) Name the parts labeled 1 and 2. State the function of each part.
(ii) State any one function of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the fetus?
(iv) Name the part in the diagram which is endocrine in nature.
Give Technical Term:
A structure which connects the placenta with the fetus.
Complete the following sentences with appropriate word:
The period of complete development of the fetus until birth is termed ______.
Complete the following sentences with appropriate word:
The placenta is ________permeable
Write one sentence using the following term pertaining to reproduction in humans.
Placenta
Does the foetus inside the mother's uterus breathe?
Distinguish between the following pair:
Placenta and umbilical cord
