cardio-respiratory system

Edit Answers
1234567891011
Across
  1. 4. When the upper chambers of the heart contract
  2. 8. The number of times the heart beats per minute
  3. 9. The ability of the heart and lungs to provide oxygen for the working muscles to keep exercising for long periods of time without the effects of fatigue
  4. 11. A resting heart rate below 60bpm
Down
  1. 1. A steady rise in heart rate after 10mins of steady state exercise in warm conditions
  2. 2. The amount of blood ejected from the Aorta per minute
  3. 3. The movement of gas molecules from an area of high concentration, or partial pressure, to low concentration, or partial pressure.
  4. 5. The hearts pacemaker
  5. 6. The amount of air breathed in and out per breath
  6. 7. An increase in Venous Return causes and increase in ejection fraction, this is known as
  7. 10. an increase in the strength & contraction force of the cardiac muscle