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.
Morula.
- What is this stage?
- Name the stage which comes next to it?
उत्तर
- Morula is a solid spherical mass of cells, resulting from repeated division of zygote.
- Blastocyst is the next stage.
APPEARS IN
संबंधित 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.
Describe the functions of Amnion
How is Placenta formed? What are its functions?
The circulatory system of the fetus and that of the mother are never connected directly. What are the advantages?
Explain the term Fetus
During pregnancy, which hormones are secreted by the placenta?
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.
How are carbon dioxide and urea, excreted by the foetus, removed?
Placenta produces certain hormones.