Difference between revisions of "Heart"
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==About the Heart== | ==About the Heart== | ||
: The '''heart''' is mostly [[muscle]]. | : The '''heart''' is mostly [[muscle]]. | ||
| − | : The [[muscle]]s in the heart squeeze and relax to pump [[blood]]. | + | : The [[muscle]]s in the '''heart''' squeeze and relax to pump [[blood]]. |
: A healthy '''heart''' beats around 70 times per minute when you are resting. | : A healthy '''heart''' beats around 70 times per minute when you are resting. | ||
: The '''heart''' beats faster when you [[exercise]]. | : The '''heart''' beats faster when you [[exercise]]. | ||
: The '''heart''' is protected by the [[Rib Cage|rib cage]]. | : The '''heart''' is protected by the [[Rib Cage|rib cage]]. | ||
