Muscles and Muscle Tissue Flashcards
Skeletal muscle is multinucleated. True or False?
True
What are functions of muscle tissue?
Produce body movements, generate heat, and stabilize body positions
What are the four key properties of muscle?
Electrical Excitability, Contractility, Extensibility, and Elasticity
Muscles have the ability to shorten or contract. This is known as ____.
Contractility
Which type of muscle tissue would best be described as long, thin, cylindrical, multinucleated, and voluntary?
Skeletal Muscle
Which characteristics are shared by both cardiac and smooth muscle?
Involuntary and Uninucleated
The thick filament of skeletal muscle is made up of which of the following types of protein?
Myosin
What is the organization of muscle tissue in a skeletal muscle, from smallest to largest?
Filament, Myofibril, fiber, fascicle, skeletal muscle
Which component of connective tissue separates individual muscle fibers from one another?
Endomysium
Which component of connective tissue is the outer layer encircling the entire muscle?
Epimysium
Which component of connective tissue surrounds fascicles?
Perimysium
What are the two regulatory proteins?
Troponin and Tropomyosin
What are the two contractile proteins?
Thin and Thick Filament
What innervation allows the action potential to penetrate inside of the cell?
Transverse Tubule (T Tubule)