Cardio Crossword

1234567
Across
  1. 1. exercise that utilizes oxygen
  2. 4. frequency, intensity, time and type
  3. 6. increasing level of difficulty of exercise
  4. 7. minimum and maximum beats per minute during cardiovascular exercise
Down
  1. 2. force of blood against vessel walls
  2. 3. ability to talk while exercising with some effort by not carry on a conversation
  3. 5. formula for calculating target heart rate