Exercise is a type of physical activity that requires ____.
a. an energy expenditure of 150 calories
b. planned, structured, and repetitive bodily movement to improve or maintain one or more components of physical fitness
c. rapid breathing and a substantial increase in heart rate
d. the expenditure of energy and produces progressive health benefits
e. 30 minutes of activity
Question 2
Nasal sprays relieve congestion by expanding blood vessels in the nose.
a. True
b. False
Indicate whether the statement is true or false