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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
Given below is a diagram of the lateral section of the testis of a man. Study the same and answer the questions that follow:
(i) Label the parts numbered 1 to 4 of the diagram.
(ii) State the functions of the parts labeled 1 and 3.
(iii)What is the significance of the testes being located in the scrotal sac outside the abdomen?
(vi)What is the role played by the inguinal canal?
(v) What is semen?
Write the functional activity of the following structure:
Seminal fluid
State names of organs in male reproductive system.
All are accessory ducts in males, EXCEPT
Spermatids are transformed into sperm by a process called ______.
Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
Give reasons for the following
Scrotum remains outside the body of human males.
What are the components of semen?
Answer the following question based on the human male reproductive system:
Name any two unpaired organs of male reproductive system
Name the following:
Three accessory glands of human male reproductive system.
