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प्रश्न
Describe briefly the ways how a mammalian embryo is nourished
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उत्तर
The mammalian embryo is nourished by the nutrients which diffuse through the placenta of the mother to pass through the umbilical cord to the embryo.
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संबंधित प्रश्न
What is the significance of amniotic fluid?
Give appropriate biological or technical terms for the following :
The fluid which surrounds the foetus
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?
Given below are the names of certain stages/substances related to reproduction and found in human body. Answer the questions related to them.
Gestation
• What is its meaning?
• How long does it normally last?
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.
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.
Name the following:
Two hormones secreted from placenta.
List the substances which the foetus receives from the mother through placenta.
Which of the following cannot pass readily through the placenta to the foetus?
Write the specific location of the following:
Placenta
