The average rate of a normal human heart beat is
- A40 beats min–1
- B72 beats min–1
- C20 beats min–1
- D120 beats min–1
✓ Correct answer: B
Want the full step-by-step reasoning?
NewNcert › Biology › Body Fluids and Circulation
Want the full step-by-step reasoning?
Question ID #382391 · NewNcert