Tag: regulation of the activity of heart

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Multiple choice biology transport in mammals regulation of the activity of heart drug, tobacco and alcohol consumption community health and hygiene

An ECG shows the functioning of the 

  1. Brain

  2. Heart

  3. Lungs

  4. kidneys
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A permanent record of the electric events occurring during a cardiac cycle made on a graph paper in a wave form called electrocardiogram. The electric events include depolarization and repolarization of the auricles and ventricles bringing about their contraction and relaxation. The instrument used to record hearts electric event is named electrocardiograph.