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प्रश्न
Describe briefly the ways how a mammalian embryo is respires
उत्तर
The mammalian embryo respires by the diffusion of oxygen through the placenta to enter the bloodstream of the embryo. The waste carbon dioxide passes through the umbilical cord and leaves through the placenta.
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संबंधित प्रश्न
What is the significance of amniotic fluid?
Name the following:
The fluid surrounding the developing embryo
Describe the functions of placenta
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.
Mention three functions of the placenta.
What changes occur at the time of birth?
Give Technical Term:
The part in the uterus which is concerned with the supply of nutrition from the mother to the fetus.
Which of the following reproductive structures is responsible for secretion of hCG?
All are functions of placenta, EXCEPT ______.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Foetus.
- Where is it contained?
- How does it differ from embryo?
