Biology · Human Cardiovascular System
The Sinoatrial Node (SAN), often referred to as the heart's pacemaker, is composed of which specialized tissue?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Nervous tissue
- 2Specialized cardiac muscle tissue✓
- 3Smooth muscle tissue
- 4Connective tissue
Correct answer
Specialized cardiac muscle tissue
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