A level Biology (3.1.2 Transport in animals) Flashcards on Biology 3.1.2 Control of the cardiac cycle, created by Sam Gunnell on 20/04/2019.
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Created by Sam Gunnell
over 5 years ago
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Created by Sam Gunnell
over 5 years ago
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The cardiac muscle automatically contracts and relaxes without nerve stimulation, so it is described as...?
What initiates the cardiac cycle?
Where is the SAN located?
What prevents the electrical wave passing to the ventricles as well the atria?
How does the electrical impulse get to the ventricles?
What is the pathway of the electrical impulse?
What do the purkyne fibres do?
What factors can effect heart rate?
