The length of time that you can keep going with an elevated heart ratethat is, how long your heart can endure a given demandis called ____.
a. cardiovascular flexibility
b. cardiovascular strength
c. cardiovascular stroke volume
d. cardiovascular endurance
e. cardiovascular load capacity
Question 2
Exercising at the maximum heart rate (MHR) is only recommended for highly-trained professional athletes.
a. True
b. False
Indicate whether the statement is true or false