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प्रश्न
The structure formed by the villi of the embryo and the uterus of the mother.
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उत्तर
Placenta
APPEARS IN
संबंधित प्रश्न
Explain how the embryo gets nourishment inside the mother’s body.
Describe in brief what happens to the zygote after it gets implanted.
Mention the total number of chromosomes along with the sex chromosomes that are present in a human female and a human male. Explain how in sexually producing organisms the number of chromosomes in the progeny remains the same as that of the parents.
The diagram below represents two reproductive cells A and B. Study the same and then answer the questions that follow:
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- Identify the reproductive cells A and B.
- Name the specific part of the reproductive system where the above cells are produced.
- Where in the female reproductive system do these cells unite?
- Name the main hormones secreted by the (1) ovary (2) testes.
- Name an accessory gland found in the male reproductive system and state the function of its secretion.
Write the functions of secretions of prostate gland and seminal vesicles in humans.
In male and female reproductive system of human, ______ gland is same.
Draw a labeled diagram of the human female reproductive system.
Choose the Odd One Out:
______ is a lytic enzyme released by the sperm.
Gestation period in man
