Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
- The placenta is formed of two sets of minute finger-like projections, the villi. One set of villi are given out by the uterine wall and the other set by an extension (allantois) from the embryo.
- Carbon dioxide and urea.
- Oestrogens and progesterone.
संबंधित प्रश्न
The exact location of the Amnion
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?
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.
Differentiate
Amnion and Chorion.
Name the Following
A hollow pear-shaped muscular organ that holds, nourishes and protects the fetus.
Write the functional activity of the following structure:
Uterus
Write the functional activity of the following structure:
Amnion
List the substances which the foetus receives from the mother through placenta.
Given below is the name of certain stage/substance related to reproduction and found in human body. Answer the questions related to it.
Morula.
- What is this stage?
- Name the stage which comes next to it?
