His muscles are getting stronger and have to break down to do so and that process hurts.
The skin colour can become red
<span>The autonomic nervous system is the part of the nervous system that controls muscles of internal organs (such as the heart, blood vessels, lungs, stomach, and intestines) and glands (such as salivary glands and sweat glands</span>
<span>B. marathoners. fast-twitch make good sprinters</span>
Answer:
<em>here ya goo</em>
Explanation:
<em>Risk factor: Something that increases a person's chances of developing a disease. For example, cigarette smoking is a risk factor for lung cancer, and obesity is a risk factor for heart disease.</em>
<em>Uncontrollable risk example:</em>
<em>Gender (men develop CAD 10 years earlier than women)</em>
