For substantial health benefits, adults should do at least 150 minutes (2 hours and 30 minutes) a week of moderate-intensity, or 75 minutes (1 hour and 15 minutes) a week of vigorous-intensity aerobic physical activity, or an equivalent combination of moderate- and vigorous-intensity aerobic activity.
This model was called GENERAL ADAPTATION SYNDROME [GAS].
Hans Selye proposed the three stages model of GAS, the three stages are alarm, resistance and exhaustion. During the alarm stage, the sympathetic nervous system prepares the body for action. In the resistance stage, the sympathetic nervous system recruits resources that will be needed to maintain high level of activity and energy. In the exhaustion stage,the parasympathetic nervous system takes over and the body experiences physical illnesses.
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Oral Communication Strategies
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Answer:In humans, viruses that cause disease like cold and flu are spread through bodily fluids, like spit or snot. The virus is so small that it leaves our bodies in these fluids, and can even float through the air in droplets from a sneeze or cough. The virus can enter the body through the eyes, nose, or mouth
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