Multiple Choice
A main function of muscle is to convert chemical energy to mechanical energy. Which property of muscles relates most directly to this function?
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9. Muscle Tissue
Introduction to Muscles and Muscle Tissue
Multiple Choice
Which type of muscle cell is typically the largest?
A
Cardiac.
B
Skeletal.
C
Smooth.
D
Different types of muscle cells are roughly the same size.
Verified step by step guidance1
Begin by understanding the three main types of muscle cells: skeletal, cardiac, and smooth. Each type has distinct characteristics and functions within the body.
Skeletal muscle cells, also known as muscle fibers, are typically long and cylindrical. They can be several centimeters in length, making them the largest type of muscle cell in terms of size.
Cardiac muscle cells are found in the heart and are shorter than skeletal muscle cells. They are branched and interconnected, which helps in the synchronized contraction of the heart.
Smooth muscle cells are found in the walls of hollow organs like the intestines and blood vessels. They are spindle-shaped and smaller than skeletal muscle cells.
Conclude by noting that skeletal muscle cells are generally the largest in size compared to cardiac and smooth muscle cells, due to their length and cylindrical shape.
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