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प्रश्न
Given below is a diagram of the lateral section of the testis of a man. Study the same and answer the questions that follow:
(i) Label the parts numbered 1 to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 3.
(iii)What is the significance of the testes being located in the scrotal sac outside the abdomen?
(vi)What is the role played by the inguinal canal?
(v) What is semen?
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उत्तर
(i)
1. Seminiferous tubules
2. Testicular lobule
3. Epididymis
4. Vas deferens
(ii)
1. Seminiferous tubules: sperm production, nourishment, and protection of sperm.
3. Epididymis: stores sperm, contributes to seminal fluid.
(iii) The scrotal sac acts as a thermoregulator. The temperature in the scrotal sac remains 2-3°C lower than the body temperature which is suitable for the maturation of sperm.
(iv) Through the inguinal canal, the sperm duct is connected and so passes the sperm to the urinary bladder.
(v) Semen is a mixture of mature sperm and secretions of’ various accessory glands. It is a milky fluid.
संबंधित प्रश्न
Identify True/False statement. Correct false statement to make it true.
Androgens are produced by Sertoli cells.
Differentiate between the following pair:
Hymen and clitoris
Complete the following statement by choosing the correct alternative:
Male copulatory organ ______.
State the Location:
Cowper’s glands
The spermatozoa from seminiferous tubules pass into ______.
All are accessory ducts in males, EXCEPT
How many spermatozoa will be produced from 10 million spermatids?
Failure of testes to descend from abdomen into scrotum leads to ______.
The Leydig cells as found in the human, body are the secretory source of ______.
In which anatomical region is the male reproductive system located?
