The measurement of how long an exercise or group of exercises takes to complete is referred to as the of the activity.
a. frequency
b. intensity
c. time
d. type

The answer is C. Time of the Activity

To put it simply, it's how much time you're willing to put into your workout.

For Muscle Building, it also can be defined as how many or times a person can do a specific musce building exercise

Air goes past the epiglottis and into the trachea when you breathe in. from there, it goes to your vocal cords in the larynx until it reaches the bronchi. from the bronchi, air passes into each lung.