Physiology All are true regarding basal electrical rhythm of intestine except? A Tone of contraction is related to amplitude of stimulus B Tone of contraction is related to frequency of stimulus C Frequency of contraction is 6/min D Threshold of contraction is -50 mV 💡 Explanation All are true regarding basal electrical rhythm of intestine except? ✓ Correct Answer: A. Tone of contraction is related to amplitude of stimulus