Cardiac muscle

Cardiac (KAR-dee-ak) muscle. Did you know your heart is also a muscle? It is a specialized type of involuntary muscle. It pumps blood through your body, changing its speed to keep up with the demands you put on it. It pumps more slowly when you’re sitting or lying down, and faster when you’re running or playing sports and your skeletal muscles need more blood to help them do their work.

Source: NIAMS (NIH)1

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References

  1. Source: NIAMS (NIH): niams.nih.gov/ Health_Info/ Kids/ healthy_muscles.asp

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Note: This site is for informational purposes only and is not medical advice. See your doctor or other qualified medical professional for all your medical needs.