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  • Need explanation for: Which one of the following is not the function of placenta ? It:

Which one of the following is not the function of placenta ? It:

  • Option 1)

    secretes oxytocin during parturition.

  • Option 2)

    facilitates supply of oxygen and nutrients to embryo.

  • Option 3)

    secretes estrogen.

  • Option 4)

    facilitates removal of carbon dioxide and waste material from embryo.

 

Answers (1)

best_answer

As learnt in

Sperms -

Sperms released from the seminiferous tubules, are transported by the accessory ducts. Secretions of epididymis, vas deferens, seminal vesicle and prostate are essential for maturation and motility of sperms. maturation and motility of sperms. 

- wherein

The human male ejaculates about 200 to 300 million sperms during a coitus of which, for normal fertility, at least 60 per cent sperms must have normal shape and size and at least 40 per cent of them must show vigorous motility. 

 

 Oxytoxin is secreted by the pituitary gland. 


Option 1)

secretes oxytocin during parturition.

This option is correct.

Option 2)

facilitates supply of oxygen and nutrients to embryo.

This option is incorrect.

Option 3)

secretes estrogen.

This option is incorrect.

Option 4)

facilitates removal of carbon dioxide and waste material from embryo.

This option is incorrect.

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Aadil

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