Multiple Choice
Skeletal muscles are controlled by what type of neuron?
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4. Tissues & Histology
Introduction to Muscle Tissue
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Which of the following structures are part of cardiac muscle cells?
A
Sarcomeres
B
Intercalated discs
C
Myelin sheaths
D
Dense bodies
Verified step by step guidance1
Understand that cardiac muscle cells are specialized muscle cells found in the heart, responsible for pumping blood throughout the body.
Recognize that cardiac muscle cells have unique structures that differentiate them from other muscle types, such as skeletal and smooth muscle.
Identify that intercalated discs are a key feature of cardiac muscle cells. They are specialized connections between cardiac muscle cells that facilitate synchronized contraction.
Note that sarcomeres are the basic contractile units of muscle fibers, present in both skeletal and cardiac muscle, but not unique to cardiac muscle.
Understand that myelin sheaths are associated with nerve cells, not muscle cells, and dense bodies are related to smooth muscle, not cardiac muscle.
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