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प्रश्न
What differences are there in number, structure, and activity of the male and female gametes in a man?
उत्तर
| Male Gametes | Female Gametes |
| Number: Very large. | Normally one at a time. |
| Structure: A sperm is about 50-55 microns long with head, acrosome neck, and lashing tail. | It is spherical and non-motile. |
| Activity: With the help of a lashing tail, it moves actively towards the oviducts. | Passively carried from ovary to oviduct. |
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संबंधित प्रश्न
Why is it important that a very large number of sperms should be present in the semen ?
Fill in the blank:
Male gemetes are produced inside _______.
Define the following term:
Hernia
Give Technical Term:
Name the male reproductive cells of mammals.
Identify the approximate number of lobules present in the testis.
Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
Given below is a certain situation. Analyze and describe its possible impact on a person:
Prostate and seminal vesicles are not functional.
Mention the location and the function of Leydig cells.
What is the significance of Testes being placed in Scrotal sacs?
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Sperm : Spermatogenesis :: Ovum : ______.
