Examlex
The rate and depth of breathing is regulated by the _____ center.
Muscle Fiber Striations
The visible lines seen in skeletal and cardiac muscle fibers, resulting from the arrangement of actin and myosin filaments.
Electrical Junctions
Specialized connections between cells that allow for the direct transfer of ions and small molecules, enabling electrical communication.
Intercalated Discs
Specialized structures in cardiac muscles that connect cardiac muscle cells to each other, facilitating synchronized contraction of the heart.
Autorhythmicity
The ability of certain cells, especially cardiac muscle cells, to generate a rhythmical impulse spontaneously.
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