Most of the energy consumed in food is spent maintaining the body's functions. Only a fraction of food energy is burned during vigorous activity such as exercise, walking.
Explanation:
The dietary total calorie intake of more than 2000 calories suggested by dietitians still enables the person to maintain healthy body weight. It is is due to the fact that most of the energy is consumed in body's metabolic functioning. Only a small fraction of food energy is burned during vigorous activity. Hence, the body is still healthy after doing strenuous exercises, brisk walking and running activities.
Adenovirus. Both respiratory and enteric human adenoviruses (HAdV) are found in water, cause waterborne disease andare present at a higher frequency in sewage than other enteric viruses.
