- A Acrosome
- B Head (nucleus)
- C Midpiece (mitochondria)
- D Tail (flagellum)
Correct answer: C. Midpiece (mitochondria)
Explanation: The midpiece of the sperm is packed with mitochondria that produce ATP through aerobic respiration. This energy powers the movement of the flagellum (tail), propelling the sperm toward the egg.
Concept context
Male and female reproductive systems, gametogenesis, fertilization, implantation, pregnancy, and reproductive health.