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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?
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.
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संबंधित प्रश्न
Identify True/False statement. Correct false statement to make it true.
Leydig cells synthesise androgens.
Differentiate between Vas deferens and vasa efferentia.
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.
Explain the Term Penis.
Explain the term Gametogenesis.
Identify the labels (a, b, c, and d) in the given diagram of the male reproductive system.
Which of the following is a transporting tube leading from the bladder to which brings urine outside the body via penis?
The function of the secretion of prostate gland is to ______.
Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
Write briefly about the Testis.
