More cards in this set

why does the myocardium thicken when the heart contracts?

what is the direction of blood flow based upon?

how many times does the heart contract a day?

what's a normal heart rate (approx)?

what controls the heart rhythm?

what keeps the heart beating?

how is the cardiac AP similar to other APs?

what happens in one cardiac cycle (briefly)?

what is phase 0 in the AP when the MP is increasing (becoming more +ve)?

what causes rapid depolarisation?