Biologyhard · Past Paper
Which phase of a muscle twitch involves the release of calcium ions into the sarcoplasm?
ALatent period
BContraction period
CRelaxation period
DRefractory period
✓ Correct Answer: A — Latent period
The latent period is the short delay between the stimulus and the start of contraction, where calcium is released from the sarcoplasmic reticulum.
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