<span>D is the correct answer. It is important for fitness centre staff to be certified so they can provide safe instruction, and friendly and helpful so the customer would like to return.</span>
The answer is either B or C
I believe the answer is C. This is because most men do naturally have more muscle mass, so they need more energy to function. This is not the case if you do a lot of muscle building activities, though.
symptoms of COPD:
shortness of breath
chronic cough
chest pressure
frequent respiratory infections
symptoms of diabetes mellitus:
frequent urination
excessive thirst
extreme hunger
weight loss
dry skin
symptoms of anxiety:
sweating
trembling
breathing rapidly(hyperventilation)
feeling nervous,restless or tense
The answer is : increased resistance need to be added to the muscles.
Muscle conditioning refer to muscle strength and endurance. In order to improve it, you need to put your muscle in a harsher condition in a harsher condition than it used to be, so your muscle could adjust to it. That's why you should keep increasing the resistance
