B Brijesh Goswami 🎓 Tutor III ⭐ 9.45K Points 📊 Biology Q. Impulses from the pace–maker cause the (A) heart to relax (B) ventricles to contract (C) auricles to contract (D) both the ventricle and auricle to contract 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (C) auricles to contract You must be Logged in to update hint/solution 💬 Discussion 💬 Comment