1. What information does the ECG provide about heart function? 2. Describe the function of the areas of the heart usually supplied by the left coronary artery. 3. Describe the effect if the atria were...

1. What information does the ECG provide about heart function?

2. Describe the function of the areas of the heart usually supplied by the left coronary artery.

3. Describe the effect if the atria were to contract at the same time as the ventricles, or if the ventricles contracted slightly before the atria.

4.Predict three ways that systemic circulation could be impaired.