Answer:
D. airway. lungs. muscles.
1.75
2. Its the heart beat multiplied by the stroke volume.
3. 60 to 90 mililitires
4. Dilate
5.blood pressure
6.Wind sprints
A and B are both close, but A should be the answer. If yo need to get somewhere a certain amount of time, you need to be quick so you won't be late.
The answer is A) preventive :)
Not sure it depends on the healthiness of the person
