Entries by Daphne Hanson

Describe what is occurring in the heart (regarding contraction) during each step of the electrical activity

Describe what is occurring in the heart (regarding contraction) during each step of the electrical activity.  In other words, what does the electrical activity indicate is happening in the heart (atria contraction, ventricle contraction/relaxation, etc). Also, explain how these contractions lead to proper blood flow sending blood to the appropriate areas for oxygen delivery. This […]