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प्रश्न
Differentiate
Fetus and Embryo.
उत्तर
| Fetus | Embryo |
| It is an unborn infant after two months of intra-uterine life till birth. | It is an unborn infant during the first two months of intra-uterine life. |
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संबंधित प्रश्न
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Hyaluronidase.
- Is it an enzyme or simply a protein?
- What is its function?
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.
What changes occur at the time of birth?
The diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
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:
The part in the uterus which is concerned with the supply of nutrition from the mother to the fetus.
Complete the following sentences with appropriate word:
The period of complete development of the fetus until birth is termed ______.
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 |
Mention any two functions of the human foetal placenta.
Mother's blood flows into the foetus through placenta.
