Natural and Artificial Pacemakers
Your resting heart rate is controlled by a group of specialized cells in the right atrium that act as a natural pacemaker.
What happens if the natural pacemaker fails?
What is Natural and Artificial Pacemakers?
"A pacemaker is a system (natural or artificial) that regulates the rhythm of the heart."
What is the main function of the heart?
A student thinks that stents are used to thin the blood. Why is this incorrect?
Which option correctly completes the statement? Lipases break down ____ into glycerol and fatty acids
Which answer best completes the statement? ____ tissue is made of hollow tubes that transport water
Controlling Heart Rate
Special cells send electrical impulses to trigger muscle contraction.
Artificial pacemakers are electronic devices implanted under the skin.
They correct irregular heart rhythms (arrhythmias).
The natural pacemaker is located specifically in the wall of the right atrium.
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