Physical activity that expends more than 7 kcalories per minute is classified as _____.
a. way too difficult
b. easy
c. light-intensity
d. vigorous-intensity
e. moderate-intensity
Question 2
A person's own _____ is usually a reliable indicator of the intensity of an activity.
a. perceived effort
b. heart rate
c. feelings of self-worth
d. positive attitude
e. competitiveness