During muscle contraction, which of the following becomes smaller

Name: During muscle contraction, which of the following becomes smaller
Brand: Quizplus
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Question

Quizplus · Accepted Answer

During muscle contraction, the H zone, which is the region in the center of the sarcomere not overlapped by thin filaments, becomes smaller as the thin filaments slide past the thick filaments, bringing the Z lines closer together. The lengths of the thin and thick filaments do not change, nor does the width of the A band, which contains the thick filaments.

During Muscle Contraction, Which of the Following Becomes Smaller