What are sperm cells and where are they produced?
GeneralClass 12AllAnswered 27 Mar 2026
Answer
Sperm (also called spermatozoa) are the male gametes produced in the testes (specifically within structures called seminiferous tubules). Each sperm cell consists of three main parts:
- Head: Contains the nucleus with genetic material (DNA) and an acrosome with enzymes to penetrate the egg
- Middle piece: Packed with mitochondria that provide energy for movement
- Tail (flagellum): Provides mobility for swimming toward the egg
During fertilization, only the head of the sperm fuses with the female gamete to form the zygote, while the tail and middle piece are left behind.
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