the opening and closing of the pupil in response to light is an involuntary action controlled by the parasympathetic branch of the autonomic nervous system
Answer: Changes can result from new science observations, and you discover new things overtime, the more experiments we do, and the more data we collect, the better our scientific ideas become. Even when we have the right explanation, it takes time for those ideas to spread among scientists, and even longer for those ideas to spread among the public.
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It is a circle with a ring around it
The thermic effect of food <span>is another term for the calories used to process food. </span>Processing food from meals consumes only about 5-10% of total calories and is not enough to cause a significant effect in a weight loss plan. Drinking cold drinks or eating cold food may increase the total calories used but it is not as significant as it seems.
