OUTCOME
By the end of this lesson you will be able to explain how the heart uses electricity to function and how that electricity is generated.
The heart is and electric pump controlled by the nervous system.
LEARNING TASKS
Explain
How does the heart generate an action potential?
What is a pacemaker cell?
What are the sizes of the potentials generated?
Explore and Elaborate
Watch this video on how muscles contract for some more detail
Explore this website of electrocardiograms
Evaluate
Qs 25 - 29