List all waves, intervals and segments of an ECG wave. Include the normal time range for each interval and segment.

Compare the action potential of a pacemaker cell and a non-pacemaker cell. Include all phases and ion movement (BE SPECIFIC!).

During repolarization of the pacemaker and non-pacemaker cells, which ion is most important

After completion of the surgery, the patient’s restored heart rate is 54 bpm (the patient’s normal rate is 78 bpm). This condition is called ___________________________.

Duchenne Muscular Dystrophy typically affects females more than males.

The heart is separated electrically into two syncytium.

The signaling molecule that causes the relaxation of the vascular smooth muscle to cause an erection is ____________________________________. (not the drug)

Based on its chemical classification, testosterone would bind to its respective receptor

Explain the antagonistic effects of insulin and glucagon. Then explain how this may be impacted by diabetes mellitus. BE DETAILED!

The muscle fibers that have a lower concentration of myoglobin