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Why is the human heart called myogenic i...

Why is the human heart called myogenic in nature?

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### Step-by-Step Solution 1. **Definition of Myogenic**: The term "myogenic" refers to the origin of the heartbeat being generated from the muscle tissue itself, rather than being externally stimulated by nerves. 2. **Structure of the Heart**: The human heart is a four-chambered organ consisting of two atria (auricles) and two ventricles. The heart's muscle tissue is specialized for contraction and is known as cardiac muscle. 3. **Sinoatrial Node (SA Node)**: Located in the right atrium, the SA node is a cluster of specialized cardiac muscle cells. It acts as the natural pacemaker of the heart by generating electrical impulses that initiate each heartbeat. ...
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