O Level Biology 60 Views 1 Answers

Sourav PanNovember 5, 2024
Explain the structure of human sperm with a neat labelled diagram.
Explain the structure of human sperm with a neat labelled diagram.
Please login to save the post
Please login to submit an answer.

Sourav PanMay 15, 2025
The structure of human sperm is highly specialized for its role in reproduction. A typical human sperm cell consists of three main parts: the head, midpiece, and tail. Below is a detailed explanation of each component, along with a labeled diagram.
Structure of Human Sperm
1. Head
- Nucleus: Contains the haploid genetic material (23 chromosomes) necessary for fertilization.
- Acrosome: A cap-like structure at the front of the head filled with enzymes that facilitate the penetration of the egg’s outer layers during fertilization.
2. Midpiece
- Mitochondria: Packed with mitochondria that produce ATP (energy) required for the motility of the sperm.
- Centriole: Located in the neck region, it plays a role in cell division after fertilization.
3. Tail (Flagellum)
- Structure: Composed of microtubules arranged in a specific pattern (9+2 arrangement) that allows for whip-like motion.
- Function: Provides motility, enabling the sperm to swim through the female reproductive tract to reach the egg.
Labeled Diagram
Here is a simple representation of a human sperm cell:

0
0 likes
- Share on Facebook
- Share on Twitter
- Share on LinkedIn