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प्रश्न
The diagram given below shows an embryo in the uterus of mammal. Label the parts indicated.
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उत्तर
A – Umbilical cord
B-Cervix
C-Blood of mother flows into placenta
D-Blood of fetus flows into placenta E-Amnion
F-Amniotic fluid
G-Opening of the cervix
संबंधित प्रश्न
Give an appropriate biological or technical term for the following:
The fluid which surrounds the foetus.
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.
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 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.
Mention three functions of the placenta.
Differentiate
Amnion and Chorion.
Complete the following sentences with appropriate word:
The embryo inside the uterus is protected from jerks or mechanical shocks by ________
Assertion (A): The foetus respires but does not breathe.
Reason (R): The maternal blood supplies oxygen to the foetus through placenta.
List the substances which the foetus receives from the mother through placenta.
Which component of the placenta originates from the trophoblast of the blastocyst and is also called the chorion frondosum?
