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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
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 body part in which the embryo develops.
Describe briefly the ways how a mammalian embryo is protected
Give Reasons
The full-grown human embryo respires but does not breathe.
Differentiate
Fetus and Embryo.
Study the diagram given below and then answer the questions that follow:
(i) Name the parts labeled 1 and 2. State the function of each part.
(ii) State any one function of the amniotic fluid.
(iii) What is the role of the umbilical cord in the development of the fetus?
(iv) Name the part in the diagram which is endocrine in nature.
The haemoglobin of a human foetus ______.
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
Name the following:
Two hormones secreted from placenta.
