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Q.
Middle piece of sperm contains
Human Reproduction
Solution:
Sperm is a flagellated structure which has four
parts - head, neck, middle piece and tail. The middle piece
of human sperm contains the mitochondria coiled around the
axial filament called mitochondria spiral. They provide energy
for the movement of the sperm. At the end of middle piece
there is a ring centriole (annulus) with unknown functions.