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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. |
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संबंधित प्रश्न
What is semen?
Differentiate between primary and accessory reproductive organs.
Differentiate between the following pair:
Bulbo-urethral gland and prostate gland
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?
State the Location:
Seminal vesicle
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
Sertoli cells are regulated by the pituitary hormone known as ______.
Seminal plasma in humans is rich in ______.
In humans, sperm production occurs in the organ ______.
Answer the following question based on the human male reproductive system:
By which type of cell division, sperms are formed?
