I’m pretty sure it’s a muscle contraction
If an example is what you need i'll try my best to help. Say for example, you're sitting in class and you're doing a group project and you want your best friend to do it with you but (s)he thought you had meant that you wanted to do it with someone else, because of poor body or facial language.
Does this help at all?...
<span>If you are working on reducing stress, the first step that should be taken is to identify the causes of the stress. The correct option is A. Identifying the causes of stress will enable one to determine how to go about combating the stress and how to avoid the stress in future.</span>
A, B AB and O, O being the most useful, because O blood can be given to everyone, but also the most selective, since they can only receive O blood