16 Questions
What is the main structural difference between skeletal muscle fibers and other types of muscle cells?
Number of nuclei within each cell
What are the contractile proteins found in muscle tissue?
Actin and myosin
What is the main function of muscle tissue in the vertebrate body?
To allow the body to move its limbs and pump blood
How are skeletal muscle fibers arranged under the microscope?
As alternating dark and light bands
What is the primary characteristic of muscle cells or fibers?
Tubular shape
In which type of tissues are muscle cells or fibers usually arranged?
Connective tissue
What is the primary function of skeletal muscle?
Contraction
Which type of muscle tissue has intercalated disks and is responsible for the heartbeat?
Cardiac muscle tissue
What is a characteristic of smooth muscle tissue?
Can remain contracted for a longer duration
What type of muscle tissue is found in the walls of the viscera such as the stomach, small intestines, and blood vessels?
Smooth muscle tissue
Which type of muscle tissue is under voluntary control?
Skeletal muscle tissue
What characteristic distinguishes cardiac muscle fibers from other types of muscle cells?
Intercalated disks
Which type of muscle tissue contracts more slowly than skeletal muscle?
Smooth muscle tissue
What unique feature allows impulses to move freely between cardiac muscle cells?
Intercalated disks
Where is smooth muscle tissue mainly found in the human body?
In the walls of viscera and blood vessels
What characteristic allows skeletal muscles to contract?
Blood supply and nerves
Test your knowledge about the structure and function of muscle tissue, which is comprised of specialized cells capable of contraction. Learn about muscle cells, also known as muscle fibers, and their arrangement within the body. Explore the cellular and vascular components of muscle tissue.
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