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प्रश्न
Given below is the outline of the male reproductive system.
(i) Name the parts labeled 1 to 5.
(ii) State the functions of the parts labeled 1 and 4.
(iii) Name the cells of part 5 that produce testosterone.
(iv) Why is structure 5 present outside the body in the scrotal sacs?
(v) What is semen?
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उत्तर
(i)
1. Prostate gland.
2. Cowper’s gland.
3. Urethra.
4. Sperm duct.
5. Testis.
(ii)
1. Prostate gland: it secretes an alkaline matter which neutralizes the acidity of urethra.
4. Sperm duct: It carries sperms from epididymis to the urethra.
(iii) Cells of Leydig.
(iv) The testis is located in the scrotal sacs so that they can maintain a low temperature than the body cavity. This low temperature is necessary for the maturation of sperms.
(v) Semen is the mixture of sperm and secretions of the seminal vesicles, prostate gland, and Cowper's gland.
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संबंधित प्रश्न
Humans are ______.
Identify True/False statement. Correct the false statement to make it true.
Leydig cells are found in the ovary.
Identify True/False statement. Correct false statement to make it true.
Leydig cells synthesise androgens.
Write the functional activity of the following structure:
Seminiferous tubules
All are accessory ducts in males, EXCEPT
The ________ secrete testosterone after puberty.
In humans, male germs cells differentiate into ______ at the end of first meiotic division.
Seminal plasma, the fluid part of semen is formed by ______.
Temperature of the scrotum which is necessary for the functioning of testis is always ______ around below body temperature.
Mature sperms in humans are stored in ______.
