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प्रश्न
Draw a diagram of a mature human sperm. Label any three parts and write their functions.
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उत्तर
- Head: It the flat oval part of the human sperm that contains the nucleus, containing genetic material, and acrosome, a small anterior part which is formed from Golgi complex. It secretes hyaluronidase enzyme which helps in the entry of sperm into the egg.
- Middle Piece: It is the middle, cylindrical portion of the sperm, which contain numerous mitochondria. They provide energy (ATP) to the sperm for its movement.
- Tail: It is the long, tapering structure composed of cytoplasm. It helps in the movement of the sperms inside the uterus.
संबंधित प्रश्न
Identify True/False statement. Correct false statement to make it true.
Leydig cells synthesise androgens.
Distinguish between the following pair of terms:
Egg and sperm.
Given alongside is a diagram of male reproductive system in humans. Label the parts indicated by numbers 1 to 5, and state their functions.
Define the following term:
Hernia
Differentiate
Urinogenital duct and Ureter.
Vasa efferentia are the ductules leading from ______.
In the process of spermatogenesis, first maturation division is called ______.
Small sac-like muscular structures that enclose testes.
Draw a labelled diagram of the male reproductive system.
State very briefly the chief function of the following:
Cowper's gland
