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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
List two functions performed by the testis in human beings.
What are the major functions of male accessory ducts and glands?
____________ contribute about 60% of the total volume of the semen.
Draw a labelled diagram of L.S. of human testis.
Put a tick mark (✓) against the correct alternative in the following statement:
The testes are located within the:
Differentiate between the following pair:
Bulbo-urethral gland and prostate gland
Explain the Term Penis.
Name the Following
Male copulatory organ.
In the given diagram represents the
______ carries sperms to the seminal vesicles.
