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प्रश्न
What differences are there in number, structure, and activity of the male and female gametes in a man?
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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. |
संबंधित प्रश्न
Describe the T.S. of human testis
Given below is the schematic diagram of the sectional view of the human male reproductive system.
State the functions of the parts numbered 1, 2, 3, 5, 8 and 11.
Write the functional activity of the following structure:
Seminal fluid
How is the semen produced?
______ highly coiled seminiferous tubules are present in each testicular lobule.
Which of the following produces sperms in spermatogenesis?
Vas deferens receives the duct of seminal vesicle and forms the ______.
Seminal vesicles are located in ______.
Given below is a certain situation. Analyze and describe its possible impact on a person:
Testes of a male boy are not able to descend into the scrotum during his embryonic development.
Choose the odd one out from the group of terms given below and write the category for the remaining terms:
