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प्रश्न
Explain the term Fetus
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उत्तर
Fetus: The fertilized zygote gets implanted in the endometrial lining of the uterus and is called the fetus after undergoing cell division.
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संबंधित प्रश्न
Name the following:
The body part in which the embryo develops.
Name the following:
The membrane which protects the foetus and encloses a fluid
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’?
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.
Name the Following
The expulsion of the fetus from the body of the mother.
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
Heart and blood vessels have been formed by the end of five weeks of pregnancy.
Write the specific location of the following:
Placenta
