Answer:
A
Explanation:
This seems like the best answer. Let me break it down for you:
Stamina is the ability to sustain prolonged physical or mental effort.
Regularity and Specificity just refer to how much you do and what you do.
Overload and Progression refers to if your doing too much and at what rate.
Amylase is an enzyme, which are protein molecules that help in the breakdown of complex substances. Enzymes have optimum conditions in which they operate, which also include specific pH ranges. The pH in the stomach is too low for amylase to work in, so amylase is denatured and does not perform its function in the stomach.
The other organ producing amylase is the pancreas.
There are several factors that you have to keep in mind while you consider joining a gym or buying fitness equipment.
Some of the several factors are that if the gym is near your residence, or is it really a good gym with qualified trainers or is the equipment for your age and all.
Similarly if you have to decide a workout program you have to keep alot of stuff in your mind while planning for it such as:
Your goal that you have to achieve, your current weight, your overall weight, your diet and much more.