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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
Humans reproduce ______.
Identify True/False statement. Correct false statement to make it true.
Androgens are produced by Sertoli cells.
Put a tick mark (✓) against the correct alternative in the following statement:
The testes are located within the:
State the function of Seminal vesicle.
What happens in a boy’s body under the influence of hormones?
Which one of the following is the correct route that a sperm follows when it leaves the testis of a mammal ?
Draw a diagram of a mature human sperm. Label any three parts and write their functions.
Sketch the labelled diagram.
Human male reproductive system.
Given below is the schematic diagram of the sectional view of the human male reproductive system.
State the functions of the parts numbered 1, 2, 3, 5, 8 and 11.
Complete the following sentences with appropriate word:
The surgical sterilization of males is known as _________.
How is the semen produced?
What is the enzyme present in the acrosome of sperm?
How much semen is generally present in seminal fluid?
Semen is secreted by ______.
______ highly coiled seminiferous tubules are present in each testicular lobule.
ln the reproductive system of a male human being, the ejaculatory ducts open into ________.
Match between the following representing parts of the sperm and their functions and choose the correct option.
| Column A | Column B | ||
| A. | Head | i. | Enzymes |
| B. | Middle piece | ii. | Sperm motility |
| C. | Acrosome | iii. | Energy |
| D. | Tail | iv. | Genetic material |
A pair of ducts arising from testis, which carries sperms are ______
Explain the function of the following structure in the human male reproductive system.
Leydig cells
Explain the function of the following structure in the human male reproductive system.
Male accessory glands
Mention the location and the function of Leydig cells.
Draw a labelled diagram of the male reproductive system.
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
What is the whitish, viscous fluid secreted by glands along with spermatozoa called?
What is the primary role of the testes?
The seminal vesicles are paired glands located at which position relative to the urinary bladder?
What is the enlarged tip of the penis called?
