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प्रश्न
The diagram shown below is the longitudinal section of a testis of man. Study it carefully and answer the questions that follow
(i) Label the parts numbered 1 to 3 in the diagram.
(ii) In which part of the testis are the sperms produced?
(iii) State the functions of the parts labelled 1 and 3 in the diagram.
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उत्तर
(i) 1 – Scrotum, 2 – Vas deferens, 3 – Epididymis
(ii) Sperms are produced in seminiferous tubules.
(iii) 1 (Scrotum) – Provides lower temperature than the actual body temperature which is required for the production and survival of sperms.
2 (Vas deferens) – Carries sperms from the epididymis to the urethra.
3 (Epididymis) – Sperms mature and are stored.
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संबंधित प्रश्न
Explain how the embryo gets nourishment inside the mother’s body.
List the two types of reproduction. Which one of the two is responsible for bringing in more variations in its progeny and how?
What are the male sex cells in humans called?
What is meant by implantation?
Draw a sectional view of human female reproductive system and label the following parts :
(i) Where the development of egg occurs.
(ii) Where fertilization takes place.
Draw a diagram of human female reproductive system and label the part.
(i) That produces eggs.
(ii) Where fusion of egg and sperm take place.
(iii) Where zygote is implanted.
What happens to human egg when it is not fertilized?
Draw a labeled diagram of the human female reproductive system.
Name the Following
What does this abbreviation stand for IUD?
State the Location:
Uterus
A zygote is formed by the fusion of a male gamete and a female gamete. The number of chromosomes in the zygote of a human is ______.
