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प्रश्न
Differentiate
Uterus and Urethra.
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उत्तर
| Uterus | Urethra |
| It is a sac that holds, nourishes, and protects the fetus. | It is a tubular passage for the exit of sperms and urine in mammals. |
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संबंधित प्रश्न
The exact location of the Amnion
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite of the wrong statements by correcting only one word either at the beginning or at the end of the sentences.
Gestation period in humans is about 380 days.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Placenta
- What are the two sources that form placenta?
- Name any two main substances which pass from foetus to mother through placenta.
- Name any two hormones it produces.
Name the following:
The structure which connects the placenta and the foetus.
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
Explain the term Fetus
Name the Following
How the embryo inside the uterus is protected from jerks or mechanical shocks.
Give Technical Term:
The part in the uterus which is concerned with the supply of nutrition from the mother to the fetus.
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 |
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
