More cards in this set

By which valve does the aorta branch into coronary arteries?

What does blood bring to the cardiac muscle?

The oxygen is for aerobic respiration but what does the energy produced do?

The atria are ... chambers

The ventricles are ... chambers

What acts as a pacemaker in the heart?

How do the specialised cardiac cells act as a pacemaker?

Where are the specialised cardiac cells located?

What are the specialised cardiac cells called?

How does the sinoatrial node initiate contraction?