Biology · Circulatory System
In mammals, the cardiac impulse originates within the modified muscular tissue of the SA node itself without external nervous stimulation. Therefore, the mammalian heart is termed as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Myogenic✓
- 2Neurogenic
- 3Adrenergic
- 4Cholinergic
Correct answer
Myogenic
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