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प्रश्न
With the help of a neat, labelled diagram describe the human male reproductive system.
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उत्तर
Human male reproductive system:-
The human male reproductive system comprises of the following.
- testes
- epididymis
- vas deferens
- Seminal vesicles
- prostate gland
- Cowper's glands
- penis
1. Testes
Testes produce male gametes and sperm.
To maintain the temperature 2-3°C lower than the body temperature, the scrotum is located outside the body cavity.
2. epididymis
The epididymis stores sperms temporarily.
3. vas deferens
Each epididymis continues further as a sperm duct or vas deferens.
4. Seminal vesicles
The seminal vesicles produce a secretion which is responsible for the transport of sperm.
5. Prostate gland
It is a bilobed structure which surrounds the urethra.
It pours an alkaline secretion into the semen.
6. Cowper’s glands
These are two small ovoid glands.
They open into the urethra.
Its secretion serves as a lubricant.
7. Penis
The urethra passes through the penis.
It carries either urine or semen at a given time.
संबंधित प्रश्न
Write the location and functions of the following in human testes :
Leydig cells
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.
Fill in the blank:
Male gemetes are produced inside _______.
Mention the functions of Testis.
Differentiate between the following pair:
Bulbo-urethral gland and prostate gland
Draw a diagram of a mature human sperm. Label any three parts and write their functions.
Differentiate between vas deferens and vasa efferentia.
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?
With the help of labelled diagramms describe the structures of human sperm and unfertilized ovum.
A couple is unable to conceive. Which modern techniques are available to overcome this problem?
Give Technical Term:
In which organ of the male reproductive system maturation of sperms takes place?
State the Location:
Seminal vesicle
Write the functions of penis
Identify the primary sex organs in males.
In the given diagram represents the
Cowper's gland is homologous in function to ______
Each testis is connected to the wall of scrotum by short. fibromuscular band called ______.
Location and secretion of Leydig’s cells are ______.
Seminal plasma in human males is rich in ______.
Increased secretion of which hormone start the process of sperm formation at the time of puberty?
Temperature of the scrotum which is necessary for the functioning of testis is always ______ around below body temperature.
Mark the odd one.
Give two reasons for the appearance of variations among the progeny formed by sexual reproduction.
Cell at the end of first meiotic division male sperm differentiates into ______.
______ is the smallest cell in males.
The process of formation of sperms is known as ______.
What is the significance of the testes being located in scrotal sacs outside the abdomen?
The male accessory gland whose secretion neutralizes the acidity of the urethra and vagina is ______.
Given below is the outline of the male reproductive system. Name the parts labelled 1 to 8. Also name the corresponding structure of part (4) in female reproductive system.
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