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प्रश्न
Answer the following question based on the human male reproductive system:
What is the work of vas deferens?
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उत्तर
The vas deferens transports sperm from the epididymis to the urethra.
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संबंधित प्रश्न
____________ contribute about 60% of the total volume of the semen.
Distinguish between the following pair of terms:
Egg and sperm.
List the structures, in their correct sequence, through which the sperms must pass from the time they are produced in the testes to the time they leave the urethra.
Differentiate between spermatogenesis and spermiogenesis.
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
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?
Explain the term Vasectomy.
Name the Following
The structure in which testes are present in man.
Write the functional activity of the following structure:
Testis
Write the functional activity of the following structure:
Seminal fluid
Identify the accessory sex gland consisting of 20-30 separate lobes and secreting about 30% of semen.
Identify the approximate number of lobules present in the testis.
______ highly coiled seminiferous tubules are present in each testicular lobule.
Failure of testes to descend from abdomen into scrotum leads to ______.
In humans, male germs cells differentiate into ______ at the end of first meiotic division.
Seminal plasma, the fluid part of semen, is contributed by.
- Seminal vesicle
- Prostate
- Urethra
- Bulbourethral gland
The primary sex organ of a human male is ______.
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
______ is the smallest cell in males.
Describe the function of Bulbourethral glands.
