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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.
उत्तर
- Embryo (Blastocyst).
- In about a week's time.
APPEARS IN
संबंधित प्रश्न
Name the following:
The body part in which the embryo develops.
Choose the odd one in each of the following :
Relaxin; cervix dilated; amniotic sac ruptures; child birth; follicle.
Name the following:
The structure which connects the placenta and the foetus.
Correct and rewrite the statements by changing the biological term that is underlined for the statement:
The protective sac which develops around the developing embryo is called the Pericardium.
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
Give Reasons
The full-grown human embryo respires but does not breathe.
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’?
The haemoglobin of a human foetus ______.
Distinguish between the following pair:
Placenta and umbilical cord
