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Question
Draw a diagram showing human foetus within the uterus and label any four, parts in it.
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Solution
Foetus developing in the uterus
RELATED QUESTIONS
State the Function of Chorionic Villi
Which of the following hormones is not secreted by human placenta?
In the development of the human body, the ectoderm is responsible for the formation of ______.
The concentration of which of the following substances will decrease in the maternal blood as it flows from embryo to placenta through the umbilical cord?
The human foetus within the uterus
- Oxygen
- Amino Acids
- Carbon dioxide
- Urea
Read the following and answer from given below:
Cleavage is the series of rapid mitotic divisions in the zygote and forms blastula. The 2, 4, 8, 16 daughter cells are called blastomeres. An embryo with 64 blastomeres is known as a blastocyst and has a blastocoel cavity. Blastocyst gets implanted in the uterine wall and leads to preganancy.
The solid mass of cells with 16 blastomeres is called ______
The secondary sexual characters develop in females because:
Several hormones like HCG, HPL estrogen, and progesterone are produced by ______.
Extra-embryonic membranes provide:
Explain the formation of placenta after the implantation in a human female.
Explain the phases in embryonic development from the morula stage till the establishment of pregnancy in a human female.
