Heart

Question 1

Cardiac output

(2 equations)

Answer 1

CO, Heart rate and stroke volume (ml/min)

= HR (beats/min) x SV (ml/beat)

Question 2

autorhythmic cells (what are they and what do they do)

Answer 2

SA and AV node, determine HR

Question 3

what determines Stroke Volume SV

Answer 3

contractile cells

Question 4

What do electrical synapses allow for

Answer 4

current flow, synchronous activation of many cells

Question 5

What is the pacemaker of the cell

Answer 5

SA node

Question 6

what does conduction in the heart

Answer 6

AV node

Question 7

what determines HR

Answer 7

SA node depolarization

Question 8

what is the heart innervated by

Answer 8

autonomic nervous system