Advertisements
Advertisements
प्रश्न
Given below is the outline of the male reproductive system.
(i) Name the parts labeled 1 to 5.
(ii) State the functions of the parts labeled 1 and 4.
(iii) Name the cells of part 5 that produce testosterone.
(iv) Why is structure 5 present outside the body in the scrotal sacs?
(v) What is semen?
Advertisements
उत्तर
(i)
1. Prostate gland.
2. Cowper’s gland.
3. Urethra.
4. Sperm duct.
5. Testis.
(ii)
1. Prostate gland: it secretes an alkaline matter which neutralizes the acidity of urethra.
4. Sperm duct: It carries sperms from epididymis to the urethra.
(iii) Cells of Leydig.
(iv) The testis is located in the scrotal sacs so that they can maintain a low temperature than the body cavity. This low temperature is necessary for the maturation of sperms.
(v) Semen is the mixture of sperm and secretions of the seminal vesicles, prostate gland, and Cowper's gland.
APPEARS IN
संबंधित प्रश्न
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
Given alongside is a diagram of male reproductive system in humans. Label the parts indicated by numbers 1 to 5, and state their functions.
What happens in a boy’s body under the influence of hormones?
Differentiate between spermatogenesis and spermiogenesis.
Write the functional activity of the following structure:
Testis
ln the reproductive system of a male human being, the ejaculatory ducts open into ________.
Failure of testes to descend from abdomen into scrotum leads to ______.
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 |
What is the significance of the testes being located in scrotal sacs outside the abdomen?
Answer the following question based on the human male reproductive system:
What is the length of a sperm?
