R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Biology Q. The heart rate in an adult person is (A) 50-60 times per minute (B) 70-80 times per 2nd (C) 70-80 times per hour (D) 70-80 times per minute 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) 70-80 times per minute You must be Logged in to update hint/solution 💬 Discussion 💬 Comment