Cardiac muscle cells are connected by special junctions called intercalated discs. Intercalated discs provide strength between cells of tissues which exhibit high mechanical stress, strong flexible connections between tissue cells, and electrical excitability between the cells. Using this information, which junctions are present in intercalated discs?
A. Tight, plasmodesmata, and desmosomes
B. Adherens, tight, and gap
C. Gap, desmosomes, and hemidesmosomes
D. Gap, adherens, and desmosomes
E. Tight, plasmodesmata, and adherens
Answer: D
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Which muscle makes up the bulk of the shoulder?
a. biceps brachii b. pectoralis major c. triceps brachii d. deltoid e. trapezius
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