Answer
If Richard’s friend jumps in front of him and scares him, Richard’s sympathetic nervous system will take over and his parasympathetic nervous system will have a lesser role.
Explanation
The sympathetic nervous system is responsible for the activation of the flight/fight response. The extensive network of neurons regulates the involuntary processes of the body. Through the autonomic nervous system actions that occur without voluntary control are mediated. For example heart rate. The sympathetic and parasympathetic nervous systems complement each other will working.
The diagnostic test that records the electrical activity of the heart is called ECG or Electrocardiogram. An ECG is a painless and simple test, which uses electrodes arranged and attached to your skin, and records the activity of the heart. ECG detects any abnormal rhythm and pattern of the heart beat and this helps doctors in diagnosing arrhythmias.
The answer is Ultraviolet Light
The easiest way for us to obtain a sustainable amount of Vitamin D is by exposing our self to morning sunlight ( which contain ultraviolet light)
Often time, we don't consume enough vitamin D and our body need to get it from our bones, and in order to do that, it need to be activated through enough exposure from sunlght
To keep out dirt and other bad things
It is carbohydrate it is just an abbreviation
