D. the highest level of oxygen consumption that can be sustained during exercise.
C. Decrease the intensity and inline of the treadmill.
Since Cecelia's heart rate, 187 beats per minute, is already above her target heart rate zone 138 to 175 beats per minute, she should decrease the intensity and inline of the treadmill to lower her heart rate.
Increasing intensity and incline will further hasten her heart rate. The duration of the treadmill timer does not impact Cecelia's heart rate.
Answer:exercise in the morning
Explanation:
<span>the roles that i play in my relationship are :
1. A student. My duty in this role is simply to learn. I should listen to my teacher , pick up the positive things that they thought and ignore the negative things
2. A Son. As a son, my duty is to help whatever duty that my family need me to do
3. a Friend. As a friend, my role is to play with them and listen to them if somehow my friends are feeling down</span>
