(a) Trace the path of sperms from where they are produced in human body to the exterior.(b) Write the functions of secretions of prostate gland and seminal vesicles in humans.
Answers
the sperms are produced in seminiferous tubules.
the prostrate glands pour an alkaline secretion that neutralises the acid in the female reproductive tract.
Answer:
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(a) The role of seminal vesicles and the prostate gland are as follows:
(i) Seminal vesicles produce seminal plasma which is in the form of fluid makes the transport of sperms smooth.
(ii) Prostate gland secretes prostatic fluid that keeps the sperms alive and helps them to swim vigorously.
(b) Two functions performed by testis
in human beings are as follows:
(i) Formation of sperms takes place in testis.
(ii) They secrete the hormone testosterone which regulates the formation of sperms and brings changes in appearance of boys at the time of puberty.
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