Anatomy All are true about origin and propagation of contractions except A The right pacemaker predominates over left B Intensity of propagation is greatest at cervix C The contractiom spreads from pacemaker towards cervix D Speed of contraction is 2 cm/sec 💡 Explanation All are true about origin and propagation of contractions except ✓ Correct Answer: B. Intensity of propagation is greatest at cervix