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What is the function of placenta in huma...

What is the function of placenta in human being?

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(i) It provides nutrition to the developing embryo. (ii) It helps in respiration of the developing embryo. (iii) It removes the wastes of the developing embryo so helps in excretion. (iv) It secretes Human chorionic gonadotropin hormone which maintains corpus luteum, secretion of progesterone and pregnancy.
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MODERN PUBLICATION-HUMAN REPRODUCTION-REVISION EXERCISES (SHORT ANSWER TYPE QUESTION (A)QUESTIONS FROM STATE BOARD EXAMINATIONS)
  1. What is parturition? Name the hormone involved in induction of parturi...

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  2. Give examples of animals exhibiting oestrous cycle.

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  3. What is the function of placenta in human being?

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  4. Give examples of animals exhibiting menstrual cycle.

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  5. Implantation

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  6. What do you mean by parturition?

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  7. Sketch and label seminiferous tubule as seen in T.S. of testis.

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  8. If corpus luteum becomes inactive, what will be its effect on embryo d...

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  9. Write any two differences between external fertilization and internal ...

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  10. How is placenta formed?

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  11. State any two differences between follicular phase and luteal phase of...

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  12. What do you mean by pregnancy?

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  13. What is parturition?

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  14. Where and how complete development and nutrition of embryo takes place...

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  15. List any four differences between sperm and ovum.

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  16. Draw a neat diagram of an oocyte and label. (i) Corona radiata (ii)...

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  17. Draw a well labelled diagram of human sperm.

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  18. what is parturition ? Which hormones are involved in induction of part...

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  19. Define placenta and give its significance in human female.

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  20. Why doctors recommend breast feeding during initial period of infant g...

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