Immunocompetence: Means to have a normal immune response to germs and other bacteria invading your body.
The answer is D (8 to 12)
While doing upper-body exercise routine, fatigue of target muscles can be safely achieved within<span> the short time-frame of about 1.5 minutes (the time-frame for anaerobic pathways) by simply performing 8 to 12 </span>repetitions<span> at a moderate movement speed.</span>
Options? I don't want to guess and give you the wrong answer
