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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.
संबंधित प्रश्न
State whether the following statements are TRUE (T) or FALSE (F):
Rewrite the wrong statement by correcting only one word either at the beginning or at the end of the sentence.
Uterus is also known as birth canal.
Name and describe very briefly, the stages in the development of human embryo.
What changes occur at the time of birth?
Give Reasons
The full-grown human embryo respires but does not breathe.
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.
Give Technical Term:
The period of intrauterine development of the embryo.
Give Technical Term:
A structure which connects the placenta with the fetus.
How are carbon dioxide and urea, excreted by the foetus, removed?
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?
Which placental function involves the supply of essential nutrients such as glucose, amino acids, and vitamins to the foetus?
