Which is incorrect for cardiac muscles?
Correct answer: C. Have no striations
- A. Show involuntary control
- B. Branched cells
- C. Have no striations
- D. Have intercalated disc
Explanation
Cardiac muscle is striated, like skeletal muscle, as the actin and myosin are arranged in sarcomeres, just as in skeletal muscle.
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About Circulation
The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
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