Advertisements
Advertisements
प्रश्न
Describe briefly the ways how a mammalian embryo is nourished
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Give appropriate biological or technical terms for the following :
The fluid which surrounds the foetus
Name the following:
The fluid surrounding the developing embryo
Name the following:
The canal through which the testes descend into the scrotum just before birth in human male child.
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?
Give Reasons
The full-grown human embryo respires but does not breathe.
Complete the following sentences with appropriate word:
The expulsion of the fetus from the body to the mother in a human female is called __________.
During pregnancy, which hormones are secreted by the placenta?
How are carbon dioxide and urea, excreted by the foetus, removed?
Placenta produces certain hormones.
Distinguish between the following pair:
Placenta and umbilical cord
