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प्रश्न
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
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उत्तर
(i) 1. Peritoneum
2. Ureter
3. Backbone
4. Rectum
5. Seminal vesicle
6. Glands
7. Anus
8. Vas deferens
9. Epididymis
10. Left testis
11. Scrotum
12. Penis
13. Urethra
14. Vascular erectile tissue
15. Bladder
16. Muscular wall of abdomen
(ii) The two functions of part 6 are :
(a) Prostate gland secretes an alkaline milky secretion into semen that aids in sperm motility.
(b) Cowper's gland also secretes a lubricant.
(iii) The three components of urine are urea, uric acid, amino acids, glucose, sodium, potassium, vitamins etc.
(iv) The main function of the part labelled 3 is backbone. Its function is to give support, movement and protection to the spinal cord.
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संबंधित प्रश्न
Write a note on human sperm
Sketch the labeled diagram:
Human male reproductive system
Complete the following statement by choosing the correct alternative:
Male copulatory organ ______.
The diagram shown below is the lateral section of the testis of man. Study it carefully and answer the questions that follow:
(i) Label the part I to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 2.
State the Location:
Seminal vesicle
Write the functional activity of the following structure:
Seminal fluid
Write the answers to the questions by observing the figure.
- What does the above figure show?
- Write the names of parts A, B, C, D.
- Write the function of the part 'D'.
- How is semen formed?
In humans, male germs cells differentiate into ______ at the end of first meiotic division.
______ is the smallest cell in males.
State very briefly the chief function of the following:
Seminal vesicles
