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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.
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संबंधित प्रश्न
Identify True/False statement. Correct false statement to make it true.
Spermatozoa get nutrition from Sertoli cells.
What is the full form of IVF?
Differentiate between primary and accessory reproductive organs.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Tubectomy involves the cutting and tying of the vas deferens in males.
Multiple Choice Question:
If the vas deference of a man are surgically disconnected or removed.
All are accessory ducts in males, EXCEPT
Accessory glands of male reproductive system are
What is the significance of epididymis in male fertility?
What is the length of the sperm?
State very briefly the chief function of the following:
Seminal vesicles
