Physiology True statement about the hea sounds: A S1 is of higher frequency and longer duration as compared to S2. B S2 is of higher frequency and longer duration as compared to S1. C S1 has higher frequency but shoer duration compared to S2. D S2 has higher frequency but shoer duration compared to S1. 💡 Explanation True statement about the hea sounds: ✓ Correct Answer: D. S2 has higher frequency but shoer duration compared to S1.