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प्रश्न
List the substances which the foetus receives from the mother through placenta.
उत्तर
- Oxygen: The placenta exchanges oxygen from the mother's bloodstream to the foetal bloodstream.
- Nutrients/Food: The placenta transfers essential nutrients, such as glucose, from the mother to the foetus to promote their growth.
- Antibodies: The placenta transfers antibodies from the mother to the foetus, giving the baby immunity early in life.
संबंधित प्रश्न
Name the following:
The canal through which the testes descend into the scrotum just before birth in human male child.
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?
Differentiate between:
Amnion and allantois
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 diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
Name the Following
The expulsion of the fetus from the body of the mother.
Give Technical Term:
A structure which connects the placenta with 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 |
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Morula.
- What is this stage?
- Name the stage which comes next to it?
