Answer:
Empty calories are foods that are low in nutrients and high in calories.
Explanation:
Empty calories are foods that have little nutritional value, they otherwise give the body solid fats and more sugar content leading to weight gain and deficiencies in nutrients.
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.
All of the above just took that test
