<span>There are many ways our body sends messages in order to help regulate bodily function, like mood, body heat, and so forth. One way our body communicates is through the endocrine system. This sends chemical messengers in the form of molecules like the ones in the picture through our bloodstream to perform specific functions.</span>
The answer is C. Targeting a particular area for improvement
Specificity principle stated that whatever you do in the gym, should be relevant to your desired outcome
For example, if you are a rowing athlete, it should be best if you focus on upper body training more than lower body because you need your upper body strength more than you need the lower
Fibers and Starches are complex carbohydrates or complex chains of sugars that are used to store energy in plants. Plants also create some simple sugars that they will use for primary energy like Sucrose and Fructose.
Us humans use Glycogen as a complex carbohydrate to store energy in case of starvation, and we use glucose as a simple carbohydrate.
A skill is an ability that allows you to perform a specific task effectively.