1990 |
1985 |
c. (During those (number in 7b) minutes), How fast do you think a person's heart rate and breathing should be to strengthen the heart and lungs?
Do you think that the heart and breathing rate should be -- [no faster than usual, a little faster than usual, a lot faster but talking is possible, so fast that talking is not possible?]
c. (During those (number in 7b) minutes), How fast do you think a person's heart rate and breathing should be to strengthen the heart and lungs?
Do you think that the heart and breathing rate should be -