Help your students master the structure and function of the sperm cell with this clear, ready-to-use labeling activity. Perfect for high school or upper-middle school Human Biology and Reproduction units, this worksheet reinforces key terminology through a simple, visual task. Students identify and label the main parts of a sperm cell — head, acrosome, nucleus, mitochondria, centriole, middle piece, neck, tail, and plasma membrane — promoting both recall and understanding of how structure